Dell PowerSwitch Z9100-ON User guide

Dell Networking OS Conguration Guide for the

Z9100–ON System

9.10(0.0)

Notes, cautions, and warnings

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

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

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

trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be trademarks of their respective

companies.

2016 - 04

Rev. A00

Contents

1 About this Guide........................................................................................................................................... 31

Audience............................................................................................................................................................................ 31

Conventions.......................................................................................................................................................................31

Related Documents.......................................................................................................................................................... 31

2 Conguration Fundamentals........................................................................................................................ 32

Accessing the Command Line........................................................................................................................................32

CLI Modes.........................................................................................................................................................................32

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

The do Command............................................................................................................................................................ 36

Undoing Commands........................................................................................................................................................ 37

Obtaining Help.................................................................................................................................................................. 37

Entering and Editing Commands....................................................................................................................................38

Command History............................................................................................................................................................38

Filtering show Command Outputs.................................................................................................................................39

Example of the grep Keyword..................................................................................................................................39

Multiple Users in Conguration Mode...........................................................................................................................40

3 Getting Started............................................................................................................................................ 41

Console Access................................................................................................................................................................ 42

Serial Console............................................................................................................................................................. 42

Micro USB-B Access.................................................................................................................................................43

Default Conguration...................................................................................................................................................... 44

Conguring a Host Name............................................................................................................................................... 44

Accessing the System Remotely....................................................................................................................................44

Accessing the System Remotely..............................................................................................................................44

Congure the Management Port IP Address......................................................................................................... 44

Congure a Management Route..............................................................................................................................45

Conguring a Username and Password.................................................................................................................. 45

Conguring the Enable Password..................................................................................................................................45

Conguration File Management.....................................................................................................................................46

Copy Files to and from the System......................................................................................................................... 46

Mounting an NFS File System..................................................................................................................................47

Save the Running-Conguration..............................................................................................................................48

Congure the Overload Bit for a Startup Scenario............................................................................................... 49

Viewing Files...............................................................................................................................................................49

Managing the File System.............................................................................................................................................. 50

View Command History.................................................................................................................................................. 50

Upgrading Dell Networking OS...................................................................................................................................... 50

Using HTTP for File Transfers.........................................................................................................................................51

Verify Software Images Before Installation....................................................................................................................51

4 Management............................................................................................................................................... 53

Contents

3

Conguring Privilege Levels............................................................................................................................................53

Creating a Custom Privilege Level...........................................................................................................................53

Removing a Command from EXEC Mode.............................................................................................................. 54

Moving a Command from EXEC Privilege Mode to EXEC Mode........................................................................54

Allowing Access to CONFIGURATION Mode Commands....................................................................................54

Allowing Access to Dierent Modes........................................................................................................................54

Applying a Privilege Level to a Username...............................................................................................................56

Applying a Privilege Level to a Terminal Line.......................................................................................................... 56

Conguring Logging........................................................................................................................................................ 56

Audit and Security Logs............................................................................................................................................ 57

Conguring Logging Format ...................................................................................................................................58

Setting Up a Secure Connection to a Syslog Server.............................................................................................58

Log Messages in the Internal Buer..............................................................................................................................60

Conguration Task List for System Log Management..........................................................................................60

Disabling System Logging...............................................................................................................................................60

Sending System Messages to a Syslog Server............................................................................................................60

Conguring a UNIX System as a Syslog Server.....................................................................................................60

Track Login Activity.......................................................................................................................................................... 61

Restrictions for Tracking Login Activity................................................................................................................... 61

Conguring Login Activity Tracking..........................................................................................................................61

Display Login Statistics..............................................................................................................................................62

Limit Concurrent Login Sessions....................................................................................................................................63

Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 63

Conguring Concurrent Session Limit.....................................................................................................................63

Enabling the System to Clear Existing Sessions.................................................................................................... 64

Changing System Logging Settings...............................................................................................................................64

Display the Logging Buer and the Logging Conguration........................................................................................65

Conguring a UNIX Logging Facility Level....................................................................................................................66

Synchronizing Log Messages......................................................................................................................................... 67

Enabling Timestamp on Syslog Messages.................................................................................................................... 67

File Transfer Services.......................................................................................................................................................67

Conguration Task List for File Transfer Services..................................................................................................68

Enabling the FTP Server...........................................................................................................................................68

Conguring FTP Server Parameters....................................................................................................................... 68

Conguring FTP Client Parameters.........................................................................................................................69

Terminal Lines...................................................................................................................................................................69

Denying and Permitting Access to a Terminal Line................................................................................................69

Conguring Login Authentication for Terminal Lines.............................................................................................70

Setting Timeout for EXEC Privilege Mode.................................................................................................................... 71

Using Telnet to get to Another Network Device.......................................................................................................... 72

Lock CONFIGURATION Mode....................................................................................................................................... 72

Viewing the Conguration Lock Status...................................................................................................................73

Reloading the system...................................................................................................................................................... 73

Restoring the Factory Default Settings.........................................................................................................................74

Important Points to Remember................................................................................................................................ 74

Restoring Factory Default Environment Variables................................................................................................. 75

4

Contents

5 802.1X..........................................................................................................................................................76

Port-Authentication Process.......................................................................................................................................... 78

EAP over RADIUS......................................................................................................................................................79

Conguring 802.1X...........................................................................................................................................................79

Related Conguration Tasks..................................................................................................................................... 79

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

Enabling 802.1X................................................................................................................................................................ 80

Conguring dot1x Prole .................................................................................................................................................81

Conguring the Static MAB and MAB Prole .............................................................................................................82

Conguring Critical VLAN ..............................................................................................................................................82

Conguring MAC addresses for a do1x Prole.............................................................................................................83

Conguring Request Identity Re-Transmissions...........................................................................................................84

Conguring a Quiet Period after a Failed Authentication..................................................................................... 84

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 85

Re-Authenticating a Port................................................................................................................................................86

Conguring Timeouts...................................................................................................................................................... 87

Conguring Dynamic VLAN Assignment with Port Authentication...........................................................................88

Guest and Authentication-Fail VLANs.......................................................................................................................... 89

Conguring a Guest VLAN....................................................................................................................................... 89

Conguring an Authentication-Fail VLAN...............................................................................................................89

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM).................................... 91

Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................... 91

Guidelines for Conguring ACL VLAN Groups.............................................................................................................92

Conguring ACL VLAN Groups and Conguring FP Blocks for VLAN Parameters................................................ 92

Conguring ACL VLAN Groups................................................................................................................................92

Conguring FP Blocks for VLAN Parameters........................................................................................................ 93

Viewing CAM Usage........................................................................................................................................................94

Allocating FP Blocks for VLAN Processes....................................................................................................................95

7 Access Control Lists (ACLs)........................................................................................................................ 96

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

CAM Usage.................................................................................................................................................................97

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

Important Points to Remember.................................................................................................................................... 100

Conguration Task List for Route Maps................................................................................................................100

Conguring Match Routes...................................................................................................................................... 102

Conguring Set Conditions.....................................................................................................................................104

Congure a Route Map for Route Redistribution.................................................................................................105

Congure a Route Map for Route Tagging........................................................................................................... 105

Continue Clause....................................................................................................................................................... 105

IP Fragment Handling.................................................................................................................................................... 106

IP Fragments ACL Examples...................................................................................................................................106

Layer 4 ACL Rules Examples...................................................................................................................................106

Congure a Standard IP ACL........................................................................................................................................ 107

Conguring a Standard IP ACL Filter.....................................................................................................................108

Contents

5

Congure an Extended IP ACL.....................................................................................................................................109

Conguring Filters with a Sequence Number.......................................................................................................109

Conguring Filters Without a Sequence Number................................................................................................. 110

Congure Layer 2 and Layer 3 ACLs............................................................................................................................. 111

Assign an IP ACL to an Interface................................................................................................................................... 111

Applying an IP ACL..........................................................................................................................................................112

Counting ACL Hits.....................................................................................................................................................112

Congure Ingress ACLs.................................................................................................................................................. 113

Congure Egress ACLs...................................................................................................................................................113

Applying Egress Layer 3 ACLs (Control-Plane)..................................................................................................... 114

Conguring UDF ACL..................................................................................................................................................... 114

IP Prex Lists................................................................................................................................................................... 117

Implementation Information..................................................................................................................................... 117

Conguration Task List for Prex Lists................................................................................................................... 117

ACL Resequencing..........................................................................................................................................................121

Resequencing an ACL or Prex List........................................................................................................................121

Route Maps.....................................................................................................................................................................122

Implementation Information.................................................................................................................................... 123

Flow-Based Monitoring Support for ACLs.................................................................................................................. 123

Behavior of Flow-Based Monitoring.......................................................................................................................123

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

8 Bidirectional Forwarding Detection (BFD).................................................................................................. 126

How BFD Works............................................................................................................................................................. 126

BFD Packet Format..................................................................................................................................................127

BFD Sessions............................................................................................................................................................ 128

BFD Three-Way Handshake.................................................................................................................................... 129

Session State Changes.............................................................................................................................................131

Important Points to Remember..................................................................................................................................... 131

Congure BFD................................................................................................................................................................. 131

Congure BFD for Physical Ports...........................................................................................................................132

Congure BFD for Static Routes............................................................................................................................135

Congure BFD for OSPF.........................................................................................................................................136

Congure BFD for OSPFv3.....................................................................................................................................139

Congure BFD for IS-IS...........................................................................................................................................140

Congure BFD for BGP........................................................................................................................................... 142

Congure BFD for VRRP.........................................................................................................................................149

Conguring Protocol Liveness.................................................................................................................................151

Troubleshooting BFD.................................................................................................................................................151

9 Border Gateway Protocol IPv4 (BGPv4).................................................................................................... 153

Autonomous Systems (AS)........................................................................................................................................... 153

Sessions and Peers........................................................................................................................................................ 155

Establish a Session...................................................................................................................................................155

Route Reectors.............................................................................................................................................................156

BGP Attributes................................................................................................................................................................157

Best Path Selection Criteria.................................................................................................................................... 157

6

Contents

Weight........................................................................................................................................................................159

Local Preference.......................................................................................................................................................159

Multi-Exit Discriminators (MEDs)...........................................................................................................................160

Origin.......................................................................................................................................................................... 161

AS Path.......................................................................................................................................................................161

Next Hop................................................................................................................................................................... 162

Multiprotocol BGP..........................................................................................................................................................162

Implement BGP with Dell Networking OS...................................................................................................................163

Additional Path (Add-Path) Support......................................................................................................................163

Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 163

Ignore Router-ID in Best-Path Calculation............................................................................................................ 164

Four-Byte AS Numbers............................................................................................................................................164

AS4 Number Representation.................................................................................................................................. 164

AS Number Migration.............................................................................................................................................. 166

BGP4 Management Information Base (MIB)........................................................................................................ 167

Important Points to Remember.............................................................................................................................. 167

Conguration Information..............................................................................................................................................168

BGP Conguration......................................................................................................................................................... 168

Enabling BGP............................................................................................................................................................ 169

Conguring AS4 Number Representations........................................................................................................... 172

Conguring Peer Groups......................................................................................................................................... 173

Conguring BGP Fast Fall-Over............................................................................................................................. 176

Conguring Passive Peering....................................................................................................................................177

Maintaining Existing AS Numbers During an AS Migration................................................................................. 178

Allowing an AS Number to Appear in its Own AS Path....................................................................................... 179

Enabling Graceful Restart....................................................................................................................................... 180

Enabling Neighbor Graceful Restart....................................................................................................................... 181

Filtering on an AS-Path Attribute............................................................................................................................181

Regular Expressions as Filters.................................................................................................................................182

Redistributing Routes...............................................................................................................................................184

Enabling Additional Paths........................................................................................................................................ 184

Conguring IP Community Lists............................................................................................................................. 185

Conguring an IP Extended Community List........................................................................................................186

Filtering Routes with Community Lists.................................................................................................................. 187

Manipulating the COMMUNITY Attribute............................................................................................................. 187

Changing MED Attributes....................................................................................................................................... 189

Changing the LOCAL_PREFERENCE Attribute.................................................................................................. 189

Changing the NEXT_HOP Attribute......................................................................................................................190

Changing the WEIGHT Attribute............................................................................................................................190

Enabling Multipath.................................................................................................................................................... 191

Filtering BGP Routes................................................................................................................................................ 191

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

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

Conguring BGP Route Reectors........................................................................................................................ 193

Aggregating Routes..................................................................................................................................................194

Conguring BGP Confederations...........................................................................................................................194

Enabling Route Flap Dampening.............................................................................................................................195

Contents

7

Changing BGP Timers..............................................................................................................................................197

Enabling BGP Neighbor Soft-Reconguration..................................................................................................... 198

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

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

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

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

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

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

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

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

10 Content Addressable Memory (CAM)...................................................................................................... 209

CAM Allocation.............................................................................................................................................................. 209

Test CAM Usage..............................................................................................................................................................211

View CAM-ACL Settings................................................................................................................................................211

View CAM Usage............................................................................................................................................................212

CAM Optimization.......................................................................................................................................................... 213

Troubleshoot CAM Proling...........................................................................................................................................213

CAM Prole Mismatches.........................................................................................................................................213

QoS CAM Region Limitation................................................................................................................................... 213

Syslog Error When the Table is Full........................................................................................................................ 214

Syslog Warning Upon 90 Percent Utilization of CAM..........................................................................................214

Syslog Warning for Discrepancies Between Congured Extended Prexes.....................................................214

Unied Forwarding Table (UFT) Modes...................................................................................................................... 214

Conguring UFT Modes.......................................................................................................................................... 214

11 Control Plane Policing (CoPP)...................................................................................................................216

Congure Control Plane Policing.................................................................................................................................. 217

Conguring CoPP for Protocols............................................................................................................................. 218

Conguring CoPP for CPU Queues...................................................................................................................... 220

Displaying CoPP Conguration ..............................................................................................................................221

12 Data Center Bridging (DCB)..................................................................................................................... 223

Ethernet Enhancements in Data Center Bridging..................................................................................................... 223

Priority-Based Flow Control................................................................................................................................... 224

Enhanced Transmission Selection..........................................................................................................................225

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................226

Data Center Bridging in a Trac Flow...................................................................................................................227

Enabling Data Center Bridging..................................................................................................................................... 227

DCB Maps and its Attributes..................................................................................................................................228

Data Center Bridging: Default Conguration..............................................................................................................228

Conguring Priority-Based Flow Control.................................................................................................................... 229

Conguring Lossless Queues................................................................................................................................. 230

Conguring PFC in a DCB Map.................................................................................................................................... 231

PFC Conguration Notes........................................................................................................................................ 231

PFC Prerequisites and Restrictions....................................................................................................................... 232

Applying a DCB Map on a Port.................................................................................................................................... 232

8

Contents

Conguring PFC without a DCB Map.........................................................................................................................233

Priority-Based Flow Control Using Dynamic Buer Method....................................................................................233

Pause and Resume of Trac..................................................................................................................................233

Buer Sizes for Lossless or PFC Packets.............................................................................................................234

Behavior of Tagged Packets.........................................................................................................................................234

Conguration Example for DSCP and PFC Priorities................................................................................................235

SNMP Support for PFC and Buer Statistics Tracking............................................................................................235

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................236

PFC and ETS Conguration Examples........................................................................................................................237

Using PFC to Manage Converged Ethernet Trac...................................................................................................237

Operations on Untagged Packets................................................................................................................................ 237

Generation of PFC for a Priority for Untagged Packets........................................................................................... 237

Congure Enhanced Transmission Selection..............................................................................................................237

Creating an ETS Priority Group..............................................................................................................................238

ETS Operation with DCBx...................................................................................................................................... 239

Conguring ETS in a DCB Map..............................................................................................................................239

Hierarchical Scheduling in ETS Output Policies......................................................................................................... 240

Using ETS to Manage Converged Ethernet Trac....................................................................................................241

Applying DCB Policies in a Switch Stack.....................................................................................................................241

Congure a DCBx Operation.........................................................................................................................................241

DCBx Operation........................................................................................................................................................241

DCBx Port Roles...................................................................................................................................................... 242

DCB Conguration Exchange.................................................................................................................................243

Conguration Source Election................................................................................................................................243

Propagation of DCB Information............................................................................................................................244

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 244

DCBx Example..........................................................................................................................................................245

DCBx Prerequisites and Restrictions.....................................................................................................................245

Conguring DCBx....................................................................................................................................................245

Verifying the DCB Conguration..................................................................................................................................248

QoS dot1p Trac Classication and Queue Assignment..........................................................................................255

Conguring the Dynamic Buer Method................................................................................................................... 256

Sample DCB Conguration...........................................................................................................................................257

PFC and ETS Conguration Command Examples...............................................................................................258

13 Dynamic Host Conguration Protocol (DHCP).........................................................................................259

DHCP Packet Format and Options............................................................................................................................. 259

Assign an IP Address using DHCP................................................................................................................................261

Implementation Information..........................................................................................................................................262

Congure the System to be a DHCP Server..............................................................................................................262

Conguring the Server for Automatic Address Allocation..................................................................................263

Specifying a Default Gateway................................................................................................................................ 264

Congure a Method of Hostname Resolution..................................................................................................... 264

Using DNS for Address Resolution........................................................................................................................264

Using NetBIOS WINS for Address Resolution..................................................................................................... 265

Creating Manual Binding Entries............................................................................................................................265

Debugging the DHCP Server.................................................................................................................................265

Contents

9

Using DHCP Clear Commands.............................................................................................................................. 266

Congure the System to be a DHCP Client...............................................................................................................266

Conguring the DHCP Client System...................................................................................................................266

DHCP Client on a Management Interface............................................................................................................268

DHCP Client Operation with Other Features.......................................................................................................268

Congure Secure DHCP...............................................................................................................................................269

Option 82..................................................................................................................................................................269

DHCP Snooping....................................................................................................................................................... 270

Drop DHCP Packets on Snooped VLANs Only.................................................................................................... 273

Dynamic ARP Inspection.........................................................................................................................................274

Conguring Dynamic ARP Inspection....................................................................................................................274

Source Address Validation............................................................................................................................................ 275

Enabling IP Source Address Validation.................................................................................................................. 276

DHCP MAC Source Address Validation.................................................................................................................276

Enabling IP+MAC Source Address Validation.......................................................................................................276

Viewing the Number of SAV Dropped Packets....................................................................................................277

Clearing the Number of SAV Dropped Packets....................................................................................................277

14 Equal Cost Multi-Path (ECMP)................................................................................................................ 278

ECMP for Flow-Based Anity..................................................................................................................................... 278

Conguring the Hash Algorithm.............................................................................................................................278

Enabling Deterministic ECMP Next Hop...............................................................................................................278

Conguring the Hash Algorithm Seed...................................................................................................................279

Link Bundle Monitoring..................................................................................................................................................279

Managing ECMP Group Paths...............................................................................................................................280

Creating an ECMP Group Bundle..........................................................................................................................280

Modifying the ECMP Group Threshold.................................................................................................................280

Support for /128 IPv6 and /32 IPv4 Prexes in Layer 3 Host Table and LPM Table.......................................281

Support for ECMP in host table............................................................................................................................. 281

Support for moving /128 IPv6 Prexes and /32 IPv4 Prexes ........................................................................ 282

15 FIP Snooping............................................................................................................................................283

Fibre Channel over Ethernet........................................................................................................................................ 283

Ensure Robustness in a Converged Ethernet Network............................................................................................ 283

FIP Snooping on Ethernet Bridges..............................................................................................................................285

Using FIP Snooping........................................................................................................................................................287

FIP Snooping Prerequisites..................................................................................................................................... 287

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

Enabling the FCoE Transit Feature........................................................................................................................288

Enable FIP Snooping on VLANs.............................................................................................................................289

Congure the FC-MAP Value................................................................................................................................ 289

Congure a Port for a Bridge-to-Bridge Link....................................................................................................... 289

Congure a Port for a Bridge-to-FCF Link...........................................................................................................289

Impact on Other Software Features..................................................................................................................... 289

FIP Snooping Restrictions...................................................................................................................................... 290

Conguring FIP Snooping.......................................................................................................................................290

Displaying FIP Snooping Information............................................................................................................................291

10

Contents

FCoE Transit Conguration Example.......................................................................................................................... 296

16 Flex Hash and Optimized Boot-Up............................................................................................................298

Flex Hash Capability Overview.................................................................................................................................... 298

Conguring the Flex Hash Mechanism.......................................................................................................................298

Conguring Fast Boot and LACP Fast Switchover...................................................................................................299

Optimizing the Boot Time.............................................................................................................................................299

Booting Process When Optimized Boot Time Mechanism is Enabled..............................................................299

Guidelines for Conguring Optimized Booting Mechanism................................................................................300

Interoperation of Applications with Fast Boot and System States...........................................................................301

LACP and IPv4 Routing...........................................................................................................................................301

LACP and IPv6 Routing...........................................................................................................................................301

BGP Graceful Restart............................................................................................................................................. 302

Cold Boot Caused by Power Cycling the System................................................................................................302

Unexpected Reload of the System........................................................................................................................302

Software Upgrade................................................................................................................................................... 302

LACP Fast Switchover............................................................................................................................................302

Changes to BGP Multipath.................................................................................................................................... 303

Delayed Installation of ECMP Routes Into BGP...................................................................................................303

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 303

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 304

17 Force10 Resilient Ring Protocol (FRRP)................................................................................................... 305

Protocol Overview.........................................................................................................................................................305

Ring Status............................................................................................................................................................... 306

Multiple FRRP Rings............................................................................................................................................... 306

Important FRRP Points........................................................................................................................................... 307

Important FRRP Concepts.....................................................................................................................................308

Implementing FRRP...................................................................................................................................................... 309

FRRP Conguration...................................................................................................................................................... 309

Creating the FRRP Group...................................................................................................................................... 309

Conguring the Control VLAN...............................................................................................................................309

Conguring and Adding the Member VLANs........................................................................................................ 311

Setting the FRRP Timers.........................................................................................................................................312

Clearing the FRRP Counters...................................................................................................................................312

Viewing the FRRP Conguration............................................................................................................................312

Viewing the FRRP Information............................................................................................................................... 312

Troubleshooting FRRP................................................................................................................................................... 313

Conguration Checks...............................................................................................................................................313

Sample Conguration and Topology.............................................................................................................................313

18 GARP VLAN Registration Protocol (GVRP).............................................................................................. 315

Important Points to Remember.................................................................................................................................... 315

Congure GVRP............................................................................................................................................................. 316

Related Conguration Tasks....................................................................................................................................316

Enabling GVRP Globally.................................................................................................................................................316

Enabling GVRP on a Layer 2 Interface.........................................................................................................................317

Contents

11

Congure GVRP Registration....................................................................................................................................... 317

Congure a GARP Timer............................................................................................................................................... 318

19 Internet Group Management Protocol (IGMP)..........................................................................................319

IGMP Implementation Information............................................................................................................................... 319

IGMP Protocol Overview...............................................................................................................................................319

IGMP Version 2.........................................................................................................................................................319

IGMP Version 3.........................................................................................................................................................321

Congure IGMP............................................................................................................................................................. 323

Related Conguration Tasks................................................................................................................................... 324

Viewing IGMP Enabled Interfaces............................................................................................................................... 324

Selecting an IGMP Version........................................................................................................................................... 324

Viewing IGMP Groups...................................................................................................................................................325

Adjusting Timers............................................................................................................................................................ 325

Adjusting Query and Response Timers................................................................................................................. 325

Enabling IGMP Immediate-Leave.................................................................................................................................326

IGMP Snooping..............................................................................................................................................................326

IGMP Snooping Implementation Information....................................................................................................... 326

Conguring IGMP Snooping...................................................................................................................................326

Removing a Group-Port Association..................................................................................................................... 327

Disabling Multicast Flooding................................................................................................................................... 327

Specifying a Port as Connected to a Multicast Router...................................................................................... 328

Conguring the Switch as Querier........................................................................................................................ 328

Fast Convergence after MSTP Topology Changes...................................................................................................329

Egress Interface Selection (EIS) for HTTP and IGMP Applications........................................................................329

Protocol Separation.................................................................................................................................................329

Enabling and Disabling Management Egress Interface Selection...................................................................... 330

Handling of Management Route Conguration.................................................................................................... 331

Handling of Switch-Initiated Trac....................................................................................................................... 332

Handling of Switch-Destined Trac......................................................................................................................332

Handling of Transit Trac (Trac Separation).................................................................................................... 333

Mapping of Management Applications and Trac Type.....................................................................................333

Behavior of Various Applications for Switch-Initiated Trac ............................................................................ 334

Behavior of Various Applications for Switch-Destined Trac ...........................................................................335

Interworking of EIS With Various Applications.....................................................................................................336

Designating a Multicast Router Interface................................................................................................................... 336

20 Interfaces.................................................................................................................................................337

Basic Interface Conguration....................................................................................................................................... 337

Advanced Interface Conguration............................................................................................................................... 337

Interface Types...............................................................................................................................................................338

View Basic Interface Information.................................................................................................................................338

Resetting an Interface to its Factory Default State...................................................................................................340

Enabling a Physical Interface........................................................................................................................................340

Physical Interfaces..........................................................................................................................................................341

Conguration Task List for Physical Interfaces.....................................................................................................341

Overview of Layer Modes....................................................................................................................................... 341

12

Contents

Conguring Layer 2 (Data Link) Mode..................................................................................................................342

Conguring Layer 2 (Interface) Mode...................................................................................................................342

Conguring Layer 3 (Network) Mode...................................................................................................................342

Conguring Layer 3 (Interface) Mode...................................................................................................................343

Egress Interface Selection (EIS)..................................................................................................................................344

Important Points to Remember..............................................................................................................................344

Conguring EIS........................................................................................................................................................ 344

Management Interfaces................................................................................................................................................344

Conguring Management Interfaces.....................................................................................................................344

Conguring a Management Interface on an Ethernet Port............................................................................... 345

VLAN Interfaces............................................................................................................................................................ 346

Loopback Interfaces...................................................................................................................................................... 346

Null Interfaces.................................................................................................................................................................347

Port Channel Interfaces................................................................................................................................................ 347

Port Channel Denition and Standards................................................................................................................. 347

Port Channel Benets............................................................................................................................................. 347

Port Channel Implementation.................................................................................................................................348

Interfaces in Port Channels.................................................................................................................................... 348

Conguration Tasks for Port Channel Interfaces.................................................................................................348

Creating a Port Channel..........................................................................................................................................349

Adding a Physical Interface to a Port Channel.....................................................................................................349

Reassigning an Interface to a New Port Channel.................................................................................................351

Conguring the Minimum Oper Up Links in a Port Channel............................................................................... 351

Adding or Removing a Port Channel from a VLAN............................................................................................. 352

Assigning an IP Address to a Port Channel.......................................................................................................... 353

Deleting or Disabling a Port Channel.....................................................................................................................353

Load Balancing Through Port Channels................................................................................................................353

Load-Balancing Method..........................................................................................................................................354

Changing the Hash Algorithm................................................................................................................................354

Bulk Conguration......................................................................................................................................................... 355

Interface Range....................................................................................................................................................... 355

Bulk Conguration Examples..................................................................................................................................356

Dening Interface Range Macros................................................................................................................................ 357

Dene the Interface Range.....................................................................................................................................357

Choosing an Interface-Range Macro.................................................................................................................... 357

Monitoring and Maintaining Interfaces....................................................................................................................... 358

Maintenance Using TDR.........................................................................................................................................359

Non Dell-Qualied Transceivers................................................................................................................................... 359

Splitting 100G Ports...................................................................................................................................................... 360

Link Dampening............................................................................................................................................................. 360

Important Points to Remember.............................................................................................................................. 361

Enabling Link Dampening.........................................................................................................................................361

Link Bundle Monitoring................................................................................................................................................. 362

Using Ethernet Pause Frames for Flow Control........................................................................................................ 363

Enabling Pause Frames........................................................................................................................................... 364

Congure the MTU Size on an Interface....................................................................................................................364

Conguring wavelength for 10–Gigabit SFP+ optics................................................................................................365

Contents

13

Port-Pipes.......................................................................................................................................................................365

CR4 Auto-Negotiation.................................................................................................................................................. 365

Setting the Speed and Duplex Mode of Ethernet Interfaces...................................................................................366

FEC Conguration......................................................................................................................................................... 367

View Advanced Interface Information.........................................................................................................................369

Conguring the Interface Sampling Size...............................................................................................................370

Dynamic Counters.......................................................................................................................................................... 371

Clearing Interface Counters.....................................................................................................................................371

Enhanced Validation of Interface Ranges................................................................................................................... 372

Compressing Conguration Files..................................................................................................................................372

21 IPv4 Routing.............................................................................................................................................375

IP Addresses................................................................................................................................................................... 376

Implementation Information....................................................................................................................................376

Conguration Tasks for IP Addresses..........................................................................................................................376

Assigning IP Addresses to an Interface.......................................................................................................................376

Conguring Static Routes.............................................................................................................................................377

Congure Static Routes for the Management Interface.......................................................................................... 378

Using the Congured Source IP Address in ICMP Messages..................................................................................379

Conguring the ICMP Source Interface................................................................................................................379

Conguring the Duration to Establish a TCP Connection.........................................................................................379

Enabling Directed Broadcast........................................................................................................................................ 380

Resolution of Host Names............................................................................................................................................380

Enabling Dynamic Resolution of Host Names............................................................................................................380

Specifying the Local System Domain and a List of Domains.................................................................................... 381

Conguring DNS with Traceroute................................................................................................................................ 381

ARP..................................................................................................................................................................................382

Conguration Tasks for ARP........................................................................................................................................ 382

Conguring Static ARP Entries....................................................................................................................................382

Enabling Proxy ARP.......................................................................................................................................................383

Clearing ARP Cache......................................................................................................................................................383

ARP Learning via Gratuitous ARP................................................................................................................................383

Enabling ARP Learning via Gratuitous ARP................................................................................................................383

ARP Learning via ARP Request................................................................................................................................... 384

Conguring ARP Retries...............................................................................................................................................384

ICMP............................................................................................................................................................................... 385

Conguration Tasks for ICMP......................................................................................................................................385

Enabling ICMP Unreachable Messages...................................................................................................................... 385

UDP Helper.....................................................................................................................................................................386

Congure UDP Helper.............................................................................................................................................386

Important Points to Remember............................................................................................................................. 386

Enabling UDP Helper.....................................................................................................................................................386

Conguring a Broadcast Address................................................................................................................................ 386

Congurations Using UDP Helper................................................................................................................................387

UDP Helper with Broadcast-All Addresses................................................................................................................. 387

UDP Helper with Subnet Broadcast Addresses.........................................................................................................388

UDP Helper with Congured Broadcast Addresses..................................................................................................388

14

Contents

UDP Helper with No Congured Broadcast Addresses............................................................................................389

Troubleshooting UDP Helper........................................................................................................................................389

22 IPv6 Routing............................................................................................................................................390

Protocol Overview.........................................................................................................................................................390

Extended Address Space.........................................................................................................................................391

Stateless Autoconguration....................................................................................................................................391

IPv6 Headers.............................................................................................................................................................391

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support....................................................................392

IPv6 Header Fields...................................................................................................................................................393

Extension Header Fields......................................................................................................................................... 395

Addressing................................................................................................................................................................ 396

Implementing IPv6 with Dell Networking OS............................................................................................................. 397

ICMPv6........................................................................................................................................................................... 397

Path MTU Discovery..................................................................................................................................................... 397

IPv6 Neighbor Discovery.............................................................................................................................................. 397

IPv6 Neighbor Discovery of MTU Packets...........................................................................................................398

Conguring the IPv6 Recursive DNS Server....................................................................................................... 398

Debugging IPv6 RDNSS Information Sent to the Host .....................................................................................399

Displaying IPv6 RDNSS Information......................................................................................................................399

Secure Shell (SSH) Over an IPv6 Transport..............................................................................................................400

Conguration Tasks for IPv6........................................................................................................................................400

Adjusting Your CAM-Prole....................................................................................................................................400

Assigning an IPv6 Address to an Interface............................................................................................................401

Assigning a Static IPv6 Route................................................................................................................................402

Conguring Telnet with IPv6..................................................................................................................................402

SNMP over IPv6......................................................................................................................................................403

Displaying IPv6 Information.................................................................................................................................... 403

Displaying an IPv6 Interface Information.............................................................................................................. 403

Showing IPv6 Routes..............................................................................................................................................404

Showing the Running-Conguration for an Interface.........................................................................................405

Clearing IPv6 Routes...............................................................................................................................................406

Conguring IPv6 RA Guard.......................................................................................................................................... 406

23 iSCSI Optimization.................................................................................................................................. 409

iSCSI Optimization Overview.......................................................................................................................................409

Monitoring iSCSI Trac Flows................................................................................................................................410

Application of Quality of Service to iSCSI Trac Flows....................................................................................... 411

Information Monitored in iSCSI Trac Flows.........................................................................................................411

Detection and Auto-Conguration for Dell EqualLogic Arrays............................................................................412

Conguring Detection and Ports for Dell Compellent Arrays..............................................................................412

Synchronizing iSCSI Sessions Learned on VLT-Lags with VLT-Peer..................................................................413

Enable and Disable iSCSI Optimization..................................................................................................................413

Default iSCSI Optimization Values................................................................................................................................414

iSCSI Optimization Prerequisites.................................................................................................................................. 414

Conguring iSCSI Optimization.................................................................................................................................... 414

Displaying iSCSI Optimization Information.................................................................................................................. 416

Contents

15

24 Intermediate System to Intermediate System........................................................................................... 418

IS-IS Protocol Overview................................................................................................................................................ 418

IS-IS Addressing..............................................................................................................................................................418

Multi-Topology IS-IS....................................................................................................................................................... 419

Transition Mode........................................................................................................................................................ 419

Interface Support..................................................................................................................................................... 419

Adjacencies...............................................................................................................................................................420

Graceful Restart.............................................................................................................................................................420

Timers........................................................................................................................................................................420

Implementation Information..........................................................................................................................................420

Conguration Information..............................................................................................................................................421

Conguration Tasks for IS-IS.................................................................................................................................. 421

Conguring the Distance of a Route.....................................................................................................................429

Changing the IS-Type.............................................................................................................................................. 430

Redistributing IPv4 Routes.....................................................................................................................................432

Redistributing IPv6 Routes.....................................................................................................................................433

Conguring Authentication Passwords.................................................................................................................434

Setting the Overload Bit......................................................................................................................................... 434

Debugging IS-IS....................................................................................................................................................... 435

IS-IS Metric Styles.........................................................................................................................................................436

Congure Metric Values............................................................................................................................................... 436

Maximum Values in the Routing Table...................................................................................................................437

Change the IS-IS Metric Style in One Level Only................................................................................................ 437

Leaks from One Level to Another..........................................................................................................................438

Sample Congurations.................................................................................................................................................. 439

25 Link Aggregation Control Protocol (LACP).............................................................................................. 442

Introduction to Dynamic LAGs and LACP...................................................................................................................442

Important Points to Remember..............................................................................................................................442

LACP Modes............................................................................................................................................................ 443

Conguring LACP Commands............................................................................................................................... 443

LACP Conguration Tasks............................................................................................................................................ 444

Creating a LAG.........................................................................................................................................................444

Conguring the LAG Interfaces as Dynamic........................................................................................................ 444

Setting the LACP Long Timeout............................................................................................................................445

Monitoring and Debugging LACP..........................................................................................................................445

Shared LAG State Tracking.......................................................................................................................................... 446

Conguring Shared LAG State Tracking............................................................................................................... 446

Important Points about Shared LAG State Tracking........................................................................................... 447

LACP Basic Conguration Example.............................................................................................................................448

Congure a LAG on ALPHA................................................................................................................................... 448

26 Layer 2.....................................................................................................................................................457

Manage the MAC Address Table................................................................................................................................. 457

Clearing the MAC Address Table........................................................................................................................... 457

Setting the Aging Time for Dynamic Entries........................................................................................................ 457

16

Contents

Conguring a Static MAC Address........................................................................................................................458

Displaying the MAC Address Table........................................................................................................................ 458

MAC Learning Limit.......................................................................................................................................................458

Setting the MAC Learning Limit............................................................................................................................ 459

mac learning-limit Dynamic.................................................................................................................................... 459

mac learning-limit mac-address-sticky................................................................................................................. 459

mac learning-limit station-move............................................................................................................................ 460

mac learning-limit no-station-move...................................................................................................................... 460

Learning Limit Violation Actions.............................................................................................................................460

Setting Station Move Violation Actions................................................................................................................ 460

Recovering from Learning Limit and Station Move Violations............................................................................461

Disabling MAC Address Learning on the System....................................................................................................... 461

NIC Teaming................................................................................................................................................................... 462

Congure Redundant Pairs...........................................................................................................................................463

Important Points about Conguring Redundant Pairs........................................................................................ 464

Far-End Failure Detection.............................................................................................................................................466

FEFD State Changes...............................................................................................................................................466

Conguring FEFD.....................................................................................................................................................467

Enabling FEFD on an Interface...............................................................................................................................468

Debugging FEFD......................................................................................................................................................469

27 Link Layer Discovery Protocol (LLDP)......................................................................................................470

802.1AB (LLDP) Overview............................................................................................................................................470

Protocol Data Units..................................................................................................................................................470

Optional TLVs.................................................................................................................................................................. 471

Management TLVs................................................................................................................................................... 471

TIA-1057 (LLDP-MED) Overview.................................................................................................................................473

TIA Organizationally Specic TLVs........................................................................................................................ 473

Congure LLDP..............................................................................................................................................................476

Related Conguration Tasks................................................................................................................................... 476

Important Points to Remember..............................................................................................................................477

LLDP Compatibility.................................................................................................................................................. 477

CONFIGURATION versus INTERFACE Congurations.............................................................................................477

Enabling LLDP................................................................................................................................................................ 477

Disabling and Undoing LLDP.................................................................................................................................. 478

Enabling LLDP on Management Ports........................................................................................................................ 478

Disabling and Undoing LLDP on Management Ports.......................................................................................... 478

Advertising TLVs............................................................................................................................................................ 479

Viewing the LLDP Conguration................................................................................................................................. 480

Viewing Information Advertised by Adjacent LLDP Agents..................................................................................... 480

Conguring LLDPDU Intervals......................................................................................................................................481

Conguring Transmit and Receive Mode....................................................................................................................482

Conguring the Time to Live Value............................................................................................................................. 483

Debugging LLDP............................................................................................................................................................483

Relevant Management Objects................................................................................................................................... 484

28 Microsoft Network Load Balancing.......................................................................................................... 488

Contents

17

NLB Unicast Mode Scenario........................................................................................................................................488

NLB Multicast Mode Scenario.....................................................................................................................................488

Limitations of the NLB Feature....................................................................................................................................489

Microsoft Clustering......................................................................................................................................................489

Enable and Disable VLAN Flooding ............................................................................................................................ 489

Conguring a Switch for NLB .....................................................................................................................................489

Enabling a Switch for Multicast NLB.................................................................................................................... 490

29 Multicast Source Discovery Protocol (MSDP)..........................................................................................491

Protocol Overview..........................................................................................................................................................491

Anycast RP.....................................................................................................................................................................492

Implementation Information..........................................................................................................................................493

Congure Multicast Source Discovery Protocol........................................................................................................493

Related Conguration Tasks...................................................................................................................................493

Enable MSDP................................................................................................................................................................. 497

Manage the Source-Active Cache.............................................................................................................................. 498

Viewing the Source-Active Cache.........................................................................................................................498

Limiting the Source-Active Cache.........................................................................................................................498

Clearing the Source-Active Cache........................................................................................................................499

Enabling the Rejected Source-Active Cache....................................................................................................... 499

Accept Source-Active Messages that Fail the RFP Check......................................................................................499

Specifying Source-Active Messages...........................................................................................................................502

Limiting the Source-Active Messages from a Peer...................................................................................................503

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

Preventing MSDP from Caching a Remote Source.................................................................................................. 504

Preventing MSDP from Advertising a Local Source................................................................................................. 504

Logging Changes in Peership States.......................................................................................................................... 505

Terminating a Peership..................................................................................................................................................505

Clearing Peer Statistics.................................................................................................................................................506

Debugging MSDP..........................................................................................................................................................506

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

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

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

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

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

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

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

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

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

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

Related Conguration Tasks....................................................................................................................................514

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

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

Creating Multiple Spanning Tree Instances.................................................................................................................515

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

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

18

Contents

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

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

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

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

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

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

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

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

Debugging and Verifying MSTP Congurations........................................................................................................ 526

31 Multicast Features....................................................................................................................................528

Enabling IP Multicast.....................................................................................................................................................528

Implementation Information..........................................................................................................................................528

Multicast Policies...........................................................................................................................................................529

IPv4 Multicast Policies............................................................................................................................................529

32 Object Tracking........................................................................................................................................537

Object Tracking Overview.............................................................................................................................................537

Track Layer 2 Interfaces..........................................................................................................................................538

Track Layer 3 Interfaces..........................................................................................................................................538

Track IPv4 and IPv6 Routes................................................................................................................................... 539

Set Tracking Delays................................................................................................................................................. 540

VRRP Object Tracking............................................................................................................................................ 540

Object Tracking Conguration..................................................................................................................................... 540

Tracking a Layer 2 Interface................................................................................................................................... 540

Tracking a Layer 3 Interface....................................................................................................................................541

Track an IPv4/IPv6 Route...................................................................................................................................... 543

Displaying Tracked Objects...........................................................................................................................................546

33 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................548

Protocol Overview.........................................................................................................................................................548

Autonomous System (AS) Areas........................................................................................................................... 548

Area Types................................................................................................................................................................ 549

Networks and Neighbors........................................................................................................................................550

Router Types............................................................................................................................................................ 550

Designated and Backup Designated Routers.......................................................................................................552

Link-State Advertisements (LSAs)........................................................................................................................552

Router Priority and Cost.........................................................................................................................................553

OSPF with Dell Networking OS...................................................................................................................................554

Graceful Restart...................................................................................................................................................... 555

Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................556

Multi-Process OSPFv2 with VRF..........................................................................................................................556

RFC-2328 Compliant OSPF Flooding................................................................................................................... 556

OSPF ACK Packing................................................................................................................................................. 557

Setting OSPF Adjacency with Cisco Routers...................................................................................................... 557

Conguration Information.............................................................................................................................................558

Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 558

Contents

19

Conguration Task List for OSPFv3 (OSPF for IPv6)...............................................................................................572

Enabling IPv6 Unicast Routing...............................................................................................................................573

Assigning IPv6 Addresses on an Interface............................................................................................................573

Assigning Area ID on an Interface.......................................................................................................................... 573

Assigning OSPFv3 Process ID and Router ID Globally........................................................................................ 573

Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................... 574

Conguring Stub Areas........................................................................................................................................... 574

Conguring Passive-Interface................................................................................................................................575

Redistributing Routes..............................................................................................................................................575

Conguring a Default Route...................................................................................................................................576

Applying cost for OSPFv3...................................................................................................................................... 576

Enabling OSPFv3 Graceful Restart....................................................................................................................... 576

OSPFv3 Authentication Using IPsec.....................................................................................................................578

Troubleshooting OSPFv3........................................................................................................................................584

34 Policy-based Routing (PBR).................................................................................................................... 586

Overview........................................................................................................................................................................ 586

Implementing PBR......................................................................................................................................................... 587

Conguration Task List for Policy-based Routing...................................................................................................... 587

PBR Exceptions (Permit)....................................................................................................................................... 588

Create a Redirect List............................................................................................................................................. 588

Create a Rule for a Redirect-list.............................................................................................................................588

Apply a Redirect-list to an Interface using a Redirect-group............................................................................. 590

Sample Conguration....................................................................................................................................................592

Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View Redirect-List GOLD..... 593

35 PIM Sparse-Mode (PIM-SM).................................................................................................................. 596

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

Protocol Overview.........................................................................................................................................................596

Requesting Multicast Trac.................................................................................................................................. 596

Refuse Multicast Trac.......................................................................................................................................... 597

Send Multicast Trac............................................................................................................................................. 597

Conguring PIM-SM..................................................................................................................................................... 597

Related Conguration Tasks...................................................................................................................................598

Enable PIM-SM..............................................................................................................................................................598

Conguring S,G Expiry Timers..................................................................................................................................... 599

Conguring a Static Rendezvous Point......................................................................................................................600

Overriding Bootstrap Router Updates.................................................................................................................. 600

Conguring a Designated Router................................................................................................................................ 600

Creating Multicast Boundaries and Domains.............................................................................................................. 601

36 PIM Source-Specic Mode (PIM-SSM).................................................................................................. 602

Implementation Information..........................................................................................................................................602

Important Points to Remember............................................................................................................................. 602

Congure PIM-SSM......................................................................................................................................................602

Related Conguration Tasks...................................................................................................................................603

Enabling PIM-SSM........................................................................................................................................................ 603

20

Contents

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Dell PowerSwitch Z9100-ON User guide

Dell PowerSwitch Z9100-ON User guide

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