Dell Networking Z9500 User guide

Dell Networking Conguration Guide for the

Z9500 Switch

9.11(2.0P1)

Notes, cautions, and warnings

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

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

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

trademarks may be trademarks of their respective owners.

2017 - 05

Rev. A00

Contents

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Managing the File System........................................................................................................................................ 48

Copy Files to and from the System......................................................................................................................... 49

Save the Running-Conguration............................................................................................................................. 50

Congure the Overload Bit for a Startup Scenario............................................................................................... 50

Using HTTP for File Transfers..................................................................................................................................50

View Conguration Files............................................................................................................................................ 51

Enabling Software Features on Devices Using a Command Option.......................................................................... 51

View Command History.................................................................................................................................................. 52

Upgrading Dell Networking OS...................................................................................................................................... 52

Verify Software Images Before Installation...................................................................................................................52

4 Management............................................................................................................................................... 54

Contents

3

Conguring Privilege Levels............................................................................................................................................54

Creating a Custom Privilege Level...........................................................................................................................55

Removing a Command from EXEC Mode.............................................................................................................. 55

Moving a Command from EXEC Privilege Mode to EXEC Mode....................................................................... 55

Allowing Access to CONFIGURATION Mode Commands....................................................................................55

Allowing Access to Dierent Modes....................................................................................................................... 55

Applying a Privilege Level to a Username............................................................................................................... 57

Applying a Privilege Level to a Terminal Line.......................................................................................................... 57

Conguring Logging.........................................................................................................................................................57

Audit and Security Logs............................................................................................................................................ 58

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

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

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

Enabling Secured CLI Mode........................................................................................................................................... 65

Log Messages in the Internal Buer..............................................................................................................................65

Conguration Task List for System Log Management..........................................................................................65

Disabling System Logging...............................................................................................................................................65

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

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

Display the Logging Buer and the Logging Conguration........................................................................................66

Changing System Logging Settings...............................................................................................................................67

Conguring a UNIX Logging Facility Level....................................................................................................................68

Synchronizing Log Messages.........................................................................................................................................69

Enabling Timestamp on Syslog Messages....................................................................................................................69

File Transfer Services.......................................................................................................................................................70

Conguration Task List for File Transfer Services..................................................................................................70

Enabling the FTP Server........................................................................................................................................... 70

Conguring FTP Server Parameters........................................................................................................................70

Conguring FTP Client Parameters..........................................................................................................................71

Terminal Lines....................................................................................................................................................................71

Denying and Permitting Access to a Terminal Line................................................................................................ 72

Conguring Login Authentication for Terminal Lines............................................................................................. 73

Setting Timeout for EXEC Privilege Mode....................................................................................................................74

Using Telnet to get to Another Network Device.......................................................................................................... 74

Lock CONFIGURATION Mode....................................................................................................................................... 75

Viewing the Conguration Lock Status...................................................................................................................75

Recovering from a Forgotten Password on the Z9000 System................................................................................ 76

Ignoring the Startup Conguration and Booting from the Factory-Default Conguration..................................... 77

4

Contents

Recovering from a Failed Start on the Z9000 System................................................................................................77

Restoring the Factory Default Settings.........................................................................................................................78

Important Points to Remember................................................................................................................................78

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

5 802.1X.......................................................................................................................................................... 81

Port-Authentication Process..........................................................................................................................................83

EAP over RADIUS......................................................................................................................................................83

Conguring 802.1X...........................................................................................................................................................84

Related Conguration Tasks..................................................................................................................................... 84

Important Points to Remember......................................................................................................................................84

Enabling 802.1X................................................................................................................................................................ 85

Conguring dot1x Prole ................................................................................................................................................86

Conguring the Static MAB and MAB Prole ............................................................................................................. 87

Conguring Critical VLAN ..............................................................................................................................................87

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

Conguring Request Identity Re-Transmissions...........................................................................................................89

Conguring a Quiet Period after a Failed Authentication..................................................................................... 89

Forcibly Authorizing or Unauthorizing a Port............................................................................................................... 90

Re-Authenticating a Port.................................................................................................................................................91

Conguring Timeouts...................................................................................................................................................... 92

Conguring Dynamic VLAN Assignment with Port Authentication...........................................................................93

Guest and Authentication-Fail VLANs.......................................................................................................................... 94

Conguring a Guest VLAN....................................................................................................................................... 94

Conguring an Authentication-Fail VLAN...............................................................................................................94

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

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

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

Implementing ACLs on Dell Networking OS........................................................................................................... 98

IP Fragment Handling.................................................................................................................................................... 100

IP Fragments ACL Examples...................................................................................................................................100

Layer 4 ACL Rules Examples.................................................................................................................................. 100

Congure a Standard IP ACL.........................................................................................................................................101

Conguring a Standard IP ACL Filter..................................................................................................................... 102

Congure an Extended IP ACL..................................................................................................................................... 103

Conguring Filters with a Sequence Number.......................................................................................................103

Conguring Filters Without a Sequence Number................................................................................................ 104

Congure Layer 2 and Layer 3 ACLs........................................................................................................................... 105

Using ACL VLAN Groups...............................................................................................................................................106

Guidelines for Conguring ACL VLAN Groups..................................................................................................... 106

Conguring an ACL VLAN Group...........................................................................................................................106

Allocating ACL VLAN CAM..................................................................................................................................... 107

Applying an IP ACL.........................................................................................................................................................108

Congure Ingress ACLs........................................................................................................................................... 108

Congure Egress ACLs............................................................................................................................................109

Contents

5

Applying Egress Layer 3 ACLs (Control-Plane).....................................................................................................110

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

IP Prex Lists....................................................................................................................................................................111

Implementation Information......................................................................................................................................111

Conguration Task List for Prex Lists....................................................................................................................111

ACL Resequencing..........................................................................................................................................................115

Resequencing an ACL or Prex List....................................................................................................................... 115

Route Maps......................................................................................................................................................................116

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

Important Points to Remember..................................................................................................................................... 117

Conguration Task List for Route Maps................................................................................................................. 117

Conguring Match Routes.......................................................................................................................................119

Conguring Set Conditions..................................................................................................................................... 120

Congure a Route Map for Route Redistribution..................................................................................................121

Congure a Route Map for Route Tagging............................................................................................................122

Continue Clause........................................................................................................................................................122

Conguring UDF ACL.....................................................................................................................................................123

Conguring IP Mirror Access Group............................................................................................................................ 126

Sample Conguration...............................................................................................................................................126

Example of viewing IP mirror–access–group applied to an Interface................................................................127

7 Bare Metal Provisioning (BMP).................................................................................................................. 128

Support for BMP on the S6000 Switch......................................................................................................................128

Enhanced Behavior of the stop bmp Command........................................................................................................ 128

Removal of the Deprecated User-Dened String Parameter with reload-type Command................................... 128

Service Tag Information in the Option 60 String........................................................................................................ 128

Replacement of stop jump-start Command With the stop bmp Command...........................................................128

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

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

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

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

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

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

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

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

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

Congure BFD for OSPF......................................................................................................................................... 137

Congure BFD for OSPFv3.....................................................................................................................................140

Congure BFD for IS-IS............................................................................................................................................141

Congure BFD for BGP........................................................................................................................................... 143

Congure BFD for VRRP.........................................................................................................................................150

Conguring Protocol Liveness................................................................................................................................ 153

9 Border Gateway Protocol IPv4 (BGPv4).................................................................................................... 154

Autonomous Systems (AS)........................................................................................................................................... 154

6

Contents

Sessions and Peers........................................................................................................................................................ 156

Establish a Session...................................................................................................................................................156

Route Reectors.............................................................................................................................................................157

BGP Attributes................................................................................................................................................................158

Best Path Selection Criteria....................................................................................................................................158

Weight........................................................................................................................................................................160

Local Preference.......................................................................................................................................................160

Multi-Exit Discriminators (MEDs)........................................................................................................................... 161

Origin..........................................................................................................................................................................162

AS Path......................................................................................................................................................................163

Next Hop................................................................................................................................................................... 163

Multiprotocol BGP..........................................................................................................................................................163

Implement BGP with Dell Networking OS...................................................................................................................164

Additional Path (Add-Path) Support......................................................................................................................164

Advertise IGP Cost as MED for Redistributed Routes........................................................................................ 164

Ignore Router-ID in Best-Path Calculation............................................................................................................ 165

Four-Byte AS Numbers........................................................................................................................................... 165

AS4 Number Representation..................................................................................................................................165

AS Number Migration...............................................................................................................................................167

BGP4 Management Information Base (MIB)........................................................................................................168

Important Points to Remember.............................................................................................................................. 168

Conguration Information..............................................................................................................................................169

BGP Conguration......................................................................................................................................................... 169

Enabling BGP............................................................................................................................................................ 170

Conguring AS4 Number Representations........................................................................................................... 173

Conguring Peer Groups......................................................................................................................................... 175

Conguring BGP Fast Fall-Over............................................................................................................................. 177

Conguring Passive Peering....................................................................................................................................179

Maintaining Existing AS Numbers During an AS Migration................................................................................. 179

Allowing an AS Number to Appear in its Own AS Path....................................................................................... 180

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

Filtering on an AS-Path Attribute........................................................................................................................... 182

Regular Expressions as Filters.................................................................................................................................183

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

Enabling Additional Paths........................................................................................................................................ 185

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

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

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

Manipulating the COMMUNITY Attribute.............................................................................................................188

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

Changing the LOCAL_PREFERENCE Attribute.................................................................................................. 190

Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes.............190

Changing the WEIGHT Attribute.............................................................................................................................191

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

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

Contents

7

Filtering BGP Routes Using Route Maps...............................................................................................................193

Filtering BGP Routes Using AS-PATH Information.............................................................................................. 194

Conguring BGP Route Reectors........................................................................................................................ 194

Aggregating Routes................................................................................................................................................. 195

Conguring BGP Confederations...........................................................................................................................195

Enabling Route Flap Dampening.............................................................................................................................196

Changing BGP Timers............................................................................................................................................. 198

Enabling BGP Neighbor Soft-Reconguration..................................................................................................... 199

Enabling or disabling BGP neighbors.....................................................................................................................200

Route Map Continue................................................................................................................................................201

Enabling MBGP Congurations.................................................................................................................................... 201

Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 202

BGP Regular Expression Optimization........................................................................................................................202

Debugging BGP............................................................................................................................................................. 203

Storing Last and Bad PDUs....................................................................................................................................203

Capturing PDUs.......................................................................................................................................................204

PDU Counters.......................................................................................................................................................... 205

Sample Congurations..................................................................................................................................................206

10 Content Addressable Memory (CAM)....................................................................................................... 212

CAM Allocation............................................................................................................................................................... 212

Test CAM Usage.............................................................................................................................................................214

View CAM-ACL Settings............................................................................................................................................... 214

View CAM Usage........................................................................................................................................................... 215

Return to the Default CAM Conguration.................................................................................................................. 216

CAM Optimization.......................................................................................................................................................... 216

Applications for CAM Proling......................................................................................................................................216

LAG HashingLAG Hashing Based on Bidirectional Flow......................................................................................216

Unied Forwarding Table (UFT) Modes.......................................................................................................................217

Conguring UFT Modes.......................................................................................................................................... 217

11 Control Plane Policing (CoPP)...................................................................................................................219

Z9500 CoPP Implementation.......................................................................................................................................220

Protocol-based Control Plane Policing...................................................................................................................221

Queue-based Control Plane Policing......................................................................................................................221

CoPP Example............................................................................................................................................................... 222

Congure Control Plane Policing................................................................................................................................. 223

Conguring CoPP for Protocols............................................................................................................................ 223

Examples of Conguring CoPP for Protocols...................................................................................................... 226

Conguring CoPP for CPU Queues.......................................................................................................................227

Examples of Conguring CoPP for CPU Queues................................................................................................ 228

Displaying CoPP Conguration ............................................................................................................................. 228

Troubleshooting CoPP Operation................................................................................................................................. 231

Enabling CPU Trac Statistics............................................................................................................................... 231

Viewing CPU Trac Statistics................................................................................................................................ 231

Troubleshooting CPU Packet Loss........................................................................................................................ 232

8

Contents

Viewing Per-Protocol CoPP Counters.................................................................................................................. 234

Viewing Per-Queue CoPP Counters..................................................................................................................... 236

12 Data Center Bridging (DCB).....................................................................................................................238

Ethernet Enhancements in Data Center Bridging..................................................................................................... 239

Priority-Based Flow Control................................................................................................................................... 240

Enhanced Transmission Selection...........................................................................................................................241

Data Center Bridging Exchange Protocol (DCBx)...............................................................................................242

Data Center Bridging in a Trac Flow...................................................................................................................242

Priority-Based Flow Control......................................................................................................................................... 242

Enhanced Transmission Selection................................................................................................................................243

Data Center Bridging Exchange Protocol (DCBx).....................................................................................................244

Enabling Data Center Bridging..................................................................................................................................... 245

DCB Maps and its Attributes..................................................................................................................................245

Data Center Bridging: Default Conguration..............................................................................................................246

Conguring Priority-Based Flow Control.................................................................................................................... 246

Conguring Lossless Queues..................................................................................................................................247

Conguring PFC in a DCB Map................................................................................................................................... 248

PFC Conguration Notes........................................................................................................................................248

PFC Prerequisites and Restrictions....................................................................................................................... 249

Applying a DCB Map on a Port....................................................................................................................................250

Conguring PFC without a DCB Map.........................................................................................................................250

Conguring Lossless QueuesExample:...................................................................................................................251

Priority-Based Flow Control Using Dynamic Buer Method....................................................................................252

Pause and Resume of Trac..................................................................................................................................252

Buer Sizes for Lossless or PFC Packets............................................................................................................ 253

Behavior of Tagged Packets.........................................................................................................................................253

Operations on Untagged Packets................................................................................................................................254

Conguration Example for DSCP and PFC Priorities................................................................................................254

SNMP Support for PFC and Buer Statistics Tracking........................................................................................... 255

Generation of PFC for a Priority for Untagged Packets...........................................................................................255

Performing PFC Using DSCP Bits Instead of 802.1p Bits.........................................................................................255

PFC and ETS Conguration Examples........................................................................................................................256

Using PFC to Manage Converged Ethernet Trac.................................................................................................. 256

Congure Enhanced Transmission Selection............................................................................................................. 256

ETS Prerequisites and Restrictions........................................................................................................................257

Creating an ETS Priority Group..............................................................................................................................257

ETS Operation with DCBx......................................................................................................................................258

Conguring Bandwidth Allocation for DCBx CIN................................................................................................ 258

Hierarchical Scheduling in ETS Output Policies......................................................................................................... 259

Applying the DCB Policies on Linecard....................................................................................................................... 260

Applying DCB Policies on SFM Ports..........................................................................................................................260

Using ETS to Manage Converged Ethernet Trac...................................................................................................260

Congure a DCBx Operation........................................................................................................................................260

DCBx Operation........................................................................................................................................................261

DCBx Port Roles.......................................................................................................................................................261

Contents

9

DCB Conguration Exchange................................................................................................................................ 262

Conguration Source Election................................................................................................................................263

Propagation of DCB Information............................................................................................................................263

Auto-Detection and Manual Conguration of the DCBx Version...................................................................... 263

DCBx Example..........................................................................................................................................................264

DCBx Prerequisites and Restrictions.....................................................................................................................264

Conguring DCBx....................................................................................................................................................265

Verifying the DCB Conguration................................................................................................................................. 268

QoS dot1p Trac Classication and Queue Assignment.......................................................................................... 275

Conguring the Dynamic Buer Method....................................................................................................................275

Sample DCB Conguration........................................................................................................................................... 277

PFC and ETS Conguration Command Examples...............................................................................................278

13 Debugging and Diagnostics.......................................................................................................................279

Oine Diagnostics......................................................................................................................................................... 279

Important Points to Remember..............................................................................................................................279

Running Oine Diagnostics....................................................................................................................................279

Examples of Running Oine Diagnostics............................................................................................................. 288

TRACE Logs................................................................................................................................................................... 295

Auto Save on Crash or Rollover.............................................................................................................................295

Last Restart Reason......................................................................................................................................................295

show hardware Commands..........................................................................................................................................295

Environmental Monitoring.............................................................................................................................................298

Display Power Supply Status..................................................................................................................................298

Display Fan Status................................................................................................................................................... 299

Display Transceiver Type.........................................................................................................................................299

Recognize an Over-Temperature Condition.......................................................................................................... 301

Troubleshoot an Over-Temperature Condition..................................................................................................... 302

Troubleshooting Packet Loss........................................................................................................................................303

Displaying Drop Counters........................................................................................................................................303

Displaying Dataplane Statistics.............................................................................................................................. 306

Displaying Line Card Counters................................................................................................................................307

Accessing Application Core Dumps.............................................................................................................................308

Mini Core Dumps........................................................................................................................................................... 309

Full Kernel Core Dumps.................................................................................................................................................309

Enabling TCP Dumps.................................................................................................................................................... 309

14 Dynamic Host Conguration Protocol (DHCP).......................................................................................... 311

DHCP Packet Format and Options...............................................................................................................................311

Assign an IP Address using DHCP................................................................................................................................313

Implementation Information.......................................................................................................................................... 313

Congure the System to be a DHCP Server.............................................................................................................. 314

Conguring the Server for Automatic Address Allocation...................................................................................314

Specifying a Default Gateway.................................................................................................................................316

Congure a Method of Hostname Resolution...................................................................................................... 316

Using DNS for Address Resolution.........................................................................................................................316

10

Contents

Using NetBIOS WINS for Address Resolution...................................................................................................... 316

Creating Manual Binding Entries.............................................................................................................................317

Debugging the DHCP Server.................................................................................................................................. 317

Using DHCP Clear Commands................................................................................................................................317

Congure the System to be a Relay Agent................................................................................................................. 318

Congure the System to be a DHCP Client............................................................................................................... 320

DHCP Client on a Management Interface............................................................................................................320

DHCP Client Operation with Other Features.......................................................................................................320

Congure Secure DHCP................................................................................................................................................321

Option 82...................................................................................................................................................................321

DHCP Snooping.......................................................................................................................................................322

Conguring the DHCP secondary-subnet............................................................................................................325

Drop DHCP Packets on Snooped VLANs Only....................................................................................................326

Dynamic ARP Inspection.........................................................................................................................................326

Conguring Dynamic ARP Inspection....................................................................................................................327

Source Address Validation............................................................................................................................................ 328

Enabling IP Source Address Validation..................................................................................................................328

DHCP MAC Source Address Validation................................................................................................................ 329

Enabling IP+MAC Source Address Validation.......................................................................................................329

Viewing the Number of SAV Dropped Packets................................................................................................... 330

Clearing the Number of SAV Dropped Packets...................................................................................................330

15 Equal Cost Multi-Path (ECMP).................................................................................................................331

ECMP for Flow-Based Anity......................................................................................................................................331

Enabling Deterministic ECMP Next Hop............................................................................................................... 331

Conguring the Hash Algorithm Seed................................................................................................................... 331

Link Bundle Monitoring................................................................................................................................................. 332

Managing ECMP Group Paths...............................................................................................................................332

Creating an ECMP Group Bundle..........................................................................................................................333

Modifying the ECMP Group Threshold.................................................................................................................333

RTAG7............................................................................................................................................................................. 334

Flow-based Hashing for ECMP................................................................................................................................... 335

ECMP Support in L3 Host and LPM Tables............................................................................................................... 338

16 FIP Snooping............................................................................................................................................339

Fibre Channel over Ethernet........................................................................................................................................ 339

Ensure Robustness in a Converged Ethernet Network............................................................................................339

FIP Snooping on Ethernet Bridges...............................................................................................................................341

Using FIP Snooping....................................................................................................................................................... 343

FIP Snooping Prerequisites.....................................................................................................................................343

Important Points to Remember..............................................................................................................................343

Enabling the FCoE Transit Feature........................................................................................................................344

Enable FIP Snooping on VLANs.............................................................................................................................344

Congure the FC-MAP Value................................................................................................................................ 345

Congure a Port for a Bridge-to-Bridge Link.......................................................................................................345

Congure a Port for a Bridge-to-FCF Link...........................................................................................................345

Contents

11

Impact on Other Software Features..................................................................................................................... 345

FIP Snooping Restrictions...................................................................................................................................... 346

Conguring FIP Snooping.......................................................................................................................................346

FCoE Transit Conguration Example...........................................................................................................................347

Displaying FIP Snooping Information...........................................................................................................................348

17 FIPS Cryptography...................................................................................................................................352

Conguration Tasks....................................................................................................................................................... 352

Preparing the System....................................................................................................................................................352

Enabling FIPS Mode...................................................................................................................................................... 353

Generating Host-Keys...................................................................................................................................................353

Monitoring FIPS Mode Status......................................................................................................................................353

Disabling FIPS Mode..................................................................................................................................................... 356

18 Flex Hash..................................................................................................................................................357

Flex Hash Capability Overview.....................................................................................................................................357

Conguring the Flex Hash Mechanism....................................................................................................................... 357

RDMA Over Converged Ethernet (RoCE) Overview............................................................................................... 358

Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces...................................................................................... 359

19 Force10 Resilient Ring Protocol (FRRP)...................................................................................................360

Protocol Overview.........................................................................................................................................................360

Ring Status................................................................................................................................................................361

Multiple FRRP Rings................................................................................................................................................ 361

Important FRRP Points...........................................................................................................................................362

Important FRRP Concepts..................................................................................................................................... 363

Implementing FRRP.......................................................................................................................................................364

FRRP Conguration...................................................................................................................................................... 364

Creating the FRRP Group.......................................................................................................................................364

Conguring the Control VLAN...............................................................................................................................365

Conguring and Adding the Member VLANs...................................................................................................... 366

Setting the FRRP Timers........................................................................................................................................367

Clearing the FRRP Counters.................................................................................................................................. 367

Viewing the FRRP Conguration........................................................................................................................... 367

Viewing the FRRP Information...............................................................................................................................367

Troubleshooting FRRP.................................................................................................................................................. 368

Conguration Checks..............................................................................................................................................368

Sample Conguration and Topology............................................................................................................................368

FRRP Support on VLT...................................................................................................................................................369

Example Scenario.....................................................................................................................................................370

Important Points to Remember.............................................................................................................................. 371

20 GARP VLAN Registration Protocol (GVRP)............................................................................................. 372

Important Points to Remember....................................................................................................................................372

Congure GVRP.............................................................................................................................................................373

Related Conguration Tasks................................................................................................................................... 373

12

Contents

Enabling GVRP Globally.................................................................................................................................................374

Enabling GVRP on a Layer 2 Interface........................................................................................................................ 374

Congure GVRP Registration.......................................................................................................................................374

Congure a GARP Timer...............................................................................................................................................375

21 Internet Group Management Protocol (IGMP)..........................................................................................376

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

IGMP Protocol Overview.............................................................................................................................................. 376

IGMP Version 2........................................................................................................................................................ 376

IGMP Version 3........................................................................................................................................................ 378

Congure IGMP..............................................................................................................................................................381

Related Conguration Tasks....................................................................................................................................381

Viewing IGMP Enabled Interfaces............................................................................................................................... 382

Selecting an IGMP Version........................................................................................................................................... 382

Viewing IGMP Groups...................................................................................................................................................382

Adjusting Timers............................................................................................................................................................ 383

Adjusting Query and Response Timers................................................................................................................. 383

Adjusting the IGMP Querier Timeout Value......................................................................................................... 384

Conguring a Static IGMP Group................................................................................................................................384

Enabling IGMP Immediate-Leave.................................................................................................................................384

IGMP Snooping..............................................................................................................................................................385

IGMP Snooping Implementation Information.......................................................................................................385

Conguring IGMP Snooping...................................................................................................................................385

Removing a Group-Port Association.....................................................................................................................386

Disabling Multicast Flooding...................................................................................................................................386

Specifying a Port as Connected to a Multicast Router...................................................................................... 386

Conguring the Switch as Querier.........................................................................................................................387

Fast Convergence after MSTP Topology Changes................................................................................................... 387

Designating a Multicast Router Interface................................................................................................................... 387

22 Interfaces................................................................................................................................................ 388

Basic Interface Conguration.......................................................................................................................................388

Advanced Interface Conguration...............................................................................................................................388

Port Numbering Convention........................................................................................................................................ 389

Interface Types...............................................................................................................................................................390

View Basic Interface Information.................................................................................................................................390

Resetting an Interface to its Factory Default State................................................................................................... 391

Enabling a Physical Interface........................................................................................................................................392

Physical Interfaces.........................................................................................................................................................392

Port-Pipes.................................................................................................................................................................393

Network Processing Units (NPUs)........................................................................................................................393

Conguration Task List for Physical Interfaces.................................................................................................... 393

Overview of Layer Modes...................................................................................................................................... 394

Conguring Layer 2 (Data Link) Mode..................................................................................................................394

Conguring Layer 2 (Interface) Mode.................................................................................................................. 394

Conguring Layer 3 (Network) Mode...................................................................................................................395

Contents

13

Conguring Layer 3 (Interface) Mode.................................................................................................................. 395

Egress Interface Selection (EIS)..................................................................................................................................396

Important Points to Remember............................................................................................................................. 396

Conguring EIS........................................................................................................................................................ 396

Management Interfaces................................................................................................................................................397

Conguring Management Interfaces.....................................................................................................................397

Conguring a Management Interface on an Ethernet Port............................................................................... 398

VLAN Interfaces............................................................................................................................................................ 399

Loopback Interfaces......................................................................................................................................................400

Null Interfaces................................................................................................................................................................ 400

Port Channel Interfaces................................................................................................................................................400

Port Channel Denition and Standards................................................................................................................. 401

Port Channel Benets..............................................................................................................................................401

Port Channel Implementation................................................................................................................................. 401

Interfaces in Port Channels.................................................................................................................................... 402

Conguration Tasks for Port Channel Interfaces.................................................................................................402

Creating a Port Channel..........................................................................................................................................402

Adding a Physical Interface to a Port Channel.....................................................................................................403

Reassigning an Interface to a New Port Channel................................................................................................404

Conguring the Minimum Oper Up Links in a Port Channel.............................................................................. 405

Adding or Removing a Port Channel from a VLAN............................................................................................. 405

Assigning an IP Address to a Port Channel.......................................................................................................... 406

Deleting or Disabling a Port Channel..................................................................................................................... 407

Load Balancing Through Port Channels................................................................................................................407

Changing the Hash Algorithm................................................................................................................................ 407

Bulk Conguration......................................................................................................................................................... 408

Interface Range....................................................................................................................................................... 408

Bulk Conguration Examples..................................................................................................................................408

Dening Interface Range Macros.................................................................................................................................410

Dene the Interface Range......................................................................................................................................411

Choosing an Interface-Range Macro......................................................................................................................411

Monitoring and Maintaining Interfaces......................................................................................................................... 411

Displaying Trac Statistics on HiGig Ports................................................................................................................. 412

Link Bundle Monitoring.................................................................................................................................................. 412

Monitoring HiGig Link Bundles......................................................................................................................................413

Guidelines for Monitoring HiGig Link-Bundles ..................................................................................................... 414

Enabling HiGig Link-Bundle Monitoring................................................................................................................. 414

Splitting 40G Ports without Reload............................................................................................................................. 415

Splitting QSFP Ports to SFP+ Ports............................................................................................................................415

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.............................................................................416

Conguring wavelength for 10–Gigabit SFP+ optics.................................................................................................417

Link Dampening...............................................................................................................................................................417

Important Points to Remember.............................................................................................................................. 418

Enabling Link Dampening.........................................................................................................................................418

Using Ethernet Pause Frames for Flow Control.........................................................................................................419

14

Contents

Enabling Pause Frames........................................................................................................................................... 420

Congure the MTU Size on an Interface.....................................................................................................................421

Auto-Negotiation on Ethernet Interfaces....................................................................................................................421

Set Auto-Negotiation Options................................................................................................................................422

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

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

Conguring the Trac Sampling Size Globally...........................................................................................................424

Dynamic Counters......................................................................................................................................................... 425

Clearing Interface Counters....................................................................................................................................426

23 Internet Protocol Security (IPSec)...........................................................................................................427

Conguring IPSec ......................................................................................................................................................... 427

24 IPv4 Routing............................................................................................................................................ 429

IP Addresses...................................................................................................................................................................430

Implementation Information....................................................................................................................................430

Conguration Tasks for IP Addresses..........................................................................................................................430

Assigning IP Addresses to an Interface.......................................................................................................................430

Conguring Static Routes............................................................................................................................................. 431

Congure Static Routes for the Management Interface.......................................................................................... 432

Enabling Directed Broadcast........................................................................................................................................ 432

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

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

Specifying the Local System Domain and a List of Domains................................................................................... 433

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

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

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

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

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

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

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

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

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

Conguring ARP Retries............................................................................................................................................... 437

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

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

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

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

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

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

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

Conguring a Broadcast Address................................................................................................................................ 439

Congurations Using UDP Helper............................................................................................................................... 440

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

UDP Helper with Subnet Broadcast Addresses..........................................................................................................441

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

Contents

15

UDP Helper with No Congured Broadcast Addresses............................................................................................442

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

25 IPv6 Routing............................................................................................................................................443

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

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

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

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

IPv6 Header Fields...................................................................................................................................................445

Extension Header Fields..........................................................................................................................................447

Addressing................................................................................................................................................................ 448

Implementing IPv6 with Dell Networking OS............................................................................................................. 449

Longest Prex Match (LPM) Table and IPv6 /65 – /128 support......................................................................... 449

ICMPv6...........................................................................................................................................................................449

Path MTU Discovery.....................................................................................................................................................449

IPv6 Neighbor Discovery..............................................................................................................................................450

IPv6 Neighbor Discovery of MTU Packets........................................................................................................... 451

Conguration Task List for IPv6 RDNSS............................................................................................................... 451

Secure Shell (SSH) Over an IPv6 Transport..............................................................................................................453

Conguration Tasks for IPv6........................................................................................................................................453

Adjusting Your CAM-Prole....................................................................................................................................454

Assigning an IPv6 Address to an Interface...........................................................................................................454

Assigning a Static IPv6 Route................................................................................................................................455

Conguring Telnet with IPv6..................................................................................................................................455

SNMP over IPv6......................................................................................................................................................456

Displaying IPv6 Information....................................................................................................................................456

Displaying an IPv6 Interface Information.............................................................................................................. 456

Showing IPv6 Routes.............................................................................................................................................. 457

Showing the Running-Conguration for an Interface......................................................................................... 458

Clearing IPv6 Routes...............................................................................................................................................459

Disabling ND Entry Timeout................................................................................................................................... 459

Conguring IPv6 RA Guard.......................................................................................................................................... 459

Conguring IPv6 RA Guard on an Interface..........................................................................................................461

Monitoring IPv6 RA Guard......................................................................................................................................462

26 iSCSI Optimization...................................................................................................................................463

iSCSI Optimization Overview....................................................................................................................................... 463

Default iSCSI Optimization Values...............................................................................................................................465

iSCSI Optimization Prerequisites................................................................................................................................. 465

Conguring iSCSI Optimization................................................................................................................................... 465

Displaying iSCSI Optimization Information..................................................................................................................467

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

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

Monitoring iSCSI Trac Flows.....................................................................................................................................469

Information Monitored in iSCSI Trac Flows............................................................................................................. 470

Detection and Auto-Conguration for Dell EqualLogic Arrays................................................................................. 470

16

Contents

Conguring Detection and Ports for Dell Compellent Arrays....................................................................................471

Application of Quality of Service to iSCSI Trac Flows............................................................................................ 471

27 Intermediate System to Intermediate System...........................................................................................472

IS-IS Protocol Overview................................................................................................................................................472

IS-IS Addressing.............................................................................................................................................................472

Multi-Topology IS-IS.......................................................................................................................................................473

Transition Mode........................................................................................................................................................473

Interface Support.....................................................................................................................................................474

Adjacencies............................................................................................................................................................... 474

Graceful Restart.............................................................................................................................................................474

Timers........................................................................................................................................................................474

Implementation Information..........................................................................................................................................474

Conguration Information............................................................................................................................................. 475

Conguration Tasks for IS-IS..................................................................................................................................476

Conguring the Distance of a Route.....................................................................................................................483

Changing the IS-Type.............................................................................................................................................. 484

Redistributing IPv4 Routes.....................................................................................................................................486

Redistributing IPv6 Routes..................................................................................................................................... 487

Conguring Authentication Passwords.................................................................................................................488

Setting the Overload Bit......................................................................................................................................... 488

Debugging IS-IS....................................................................................................................................................... 489

IS-IS Metric Styles.........................................................................................................................................................490

Congure Metric Values............................................................................................................................................... 490

Maximum Values in the Routing Table.................................................................................................................. 490

Change the IS-IS Metric Style in One Level Only................................................................................................490

Leaks from One Level to Another..........................................................................................................................492

Sample Congurations.................................................................................................................................................. 493

28 Link Aggregation Control Protocol (LACP).............................................................................................. 495

Introduction to Dynamic LAGs and LACP.................................................................................................................. 495

Important Points to Remember............................................................................................................................. 495

LACP Modes............................................................................................................................................................ 496

Conguring LACP Commands...............................................................................................................................496

LACP Conguration Tasks............................................................................................................................................ 497

Creating a LAG......................................................................................................................................................... 497

Conguring the LAG Interfaces as Dynamic........................................................................................................ 497

Setting the LACP Long Timeout............................................................................................................................498

Monitoring and Debugging LACP..........................................................................................................................498

Shared LAG State Tracking.......................................................................................................................................... 499

Conguring Shared LAG State Tracking...............................................................................................................499

Important Points about Shared LAG State Tracking............................................................................................501

LACP Basic Conguration Example............................................................................................................................. 501

Congure a LAG on ALPHA....................................................................................................................................501

29 Layer 2..................................................................................................................................................... 510

Contents

17

Manage the MAC Address Table..................................................................................................................................510

Clearing the MAC Address Table............................................................................................................................510

Setting the Aging Time for Dynamic Entries.........................................................................................................510

Conguring a Static MAC Address......................................................................................................................... 511

Displaying the MAC Address Table..........................................................................................................................511

MAC Learning Limit.........................................................................................................................................................511

Setting the MAC Learning Limit............................................................................................................................. 512

mac learning-limit Dynamic..................................................................................................................................... 512

mac learning-limit mac-address-sticky.................................................................................................................. 512

mac learning-limit station-move............................................................................................................................. 513

mac learning-limit no-station-move....................................................................................................................... 513

Learning Limit Violation Actions..............................................................................................................................513

Setting Station Move Violation Actions................................................................................................................. 514

Recovering from Learning Limit and Station Move Violations............................................................................514

Disabling MAC Address Learning on the System....................................................................................................... 515

NIC Teaming....................................................................................................................................................................515

Congure Redundant Pairs........................................................................................................................................... 516

Important Points about Conguring Redundant Pairs.........................................................................................518

Far-End Failure Detection..............................................................................................................................................519

FEFD State Changes...............................................................................................................................................520

Conguring FEFD.................................................................................................................................................... 520

Enabling FEFD on an Interface............................................................................................................................... 521

Debugging FEFD......................................................................................................................................................522

30 Link Layer Discovery Protocol (LLDP)..................................................................................................... 524

802.1AB (LLDP) Overview............................................................................................................................................524

Protocol Data Units................................................................................................................................................. 524

Optional TLVs................................................................................................................................................................. 525

Management TLVs.................................................................................................................................................. 525

TIA-1057 (LLDP-MED) Overview.................................................................................................................................527

TIA Organizationally Specic TLVs........................................................................................................................ 527

Congure LLDP.............................................................................................................................................................. 531

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

Important Points to Remember.............................................................................................................................. 531

LLDP Compatibility..................................................................................................................................................532

CONFIGURATION versus INTERFACE Congurations............................................................................................ 532

Enabling LLDP................................................................................................................................................................532

Disabling and Undoing LLDP.................................................................................................................................. 533

Enabling LLDP on Management Ports........................................................................................................................533

Disabling and Undoing LLDP on Management Ports.......................................................................................... 533

Advertising TLVs............................................................................................................................................................ 533

Viewing the LLDP Conguration................................................................................................................................. 534

Viewing Information Advertised by Adjacent LLDP Agents..................................................................................... 535

Conguring LLDPDU Intervals.....................................................................................................................................536

Conguring Transmit and Receive Mode....................................................................................................................537

Conguring the Time to Live Value..............................................................................................................................537

18

Contents

Debugging LLDP............................................................................................................................................................538

Relevant Management Objects................................................................................................................................... 539

31 Microsoft Network Load Balancing...........................................................................................................544

NLB Unicast and Multicast Modes..............................................................................................................................544

NLB Unicast Mode Example.................................................................................................................................. 544

NLB Multicast Mode Example............................................................................................................................... 544

NLB Benets..................................................................................................................................................................545

NLB Restrictions............................................................................................................................................................545

NLB VLAN Flooding...................................................................................................................................................... 545

Conguring NLB on a Switch.......................................................................................................................................546

32 Multicast Source Discovery Protocol (MSDP)......................................................................................... 547

Protocol Overview......................................................................................................................................................... 547

Anycast RP.....................................................................................................................................................................548

Implementation Information......................................................................................................................................... 549

Congure Multicast Source Discovery Protocol........................................................................................................549

Related Conguration Tasks...................................................................................................................................549

Enable MSDP.................................................................................................................................................................553

Manage the Source-Active Cache..............................................................................................................................554

Viewing the Source-Active Cache........................................................................................................................ 554

Limiting the Source-Active Cache.........................................................................................................................554

Clearing the Source-Active Cache........................................................................................................................555

Enabling the Rejected Source-Active Cache.......................................................................................................555

Accept Source-Active Messages that Fail the RFP Check..................................................................................... 555

Specifying Source-Active Messages...........................................................................................................................558

Limiting the Source-Active Messages from a Peer...................................................................................................559

Preventing MSDP from Caching a Local Source.......................................................................................................559

Preventing MSDP from Caching a Remote Source..................................................................................................560

Preventing MSDP from Advertising a Local Source................................................................................................. 560

Logging Changes in Peership States........................................................................................................................... 561

Terminating a Peership.................................................................................................................................................. 561

Clearing Peer Statistics.................................................................................................................................................562

Debugging MSDP..........................................................................................................................................................562

MSDP with Anycast RP................................................................................................................................................563

Conguring Anycast RP................................................................................................................................................564

Reducing Source-Active Message Flooding........................................................................................................ 565

Specifying the RP Address Used in SA Messages..............................................................................................565

MSDP Sample Congurations..................................................................................................................................... 565

33 Multiple Spanning Tree Protocol (MSTP).................................................................................................567

Protocol Overview......................................................................................................................................................... 567

Spanning Tree Variations.............................................................................................................................................. 568

Implementation Information................................................................................................................................... 568

Congure Multiple Spanning Tree Protocol................................................................................................................568

Related Conguration Tasks...................................................................................................................................569

Contents

19

Enable Multiple Spanning Tree Globally...................................................................................................................... 569

Adding and Removing Interfaces.................................................................................................................................569

Creating Multiple Spanning Tree Instances................................................................................................................ 570

Inuencing MSTP Root Selection................................................................................................................................570

Interoperate with Non-Dell Bridges..............................................................................................................................571

Changing the Region Name or Revision...................................................................................................................... 571

Modifying Global Parameters....................................................................................................................................... 572

Modifying the Interface Parameters............................................................................................................................573

Conguring an EdgePort...............................................................................................................................................574

Flush MAC Addresses after a Topology Change........................................................................................................574

MSTP Sample Congurations......................................................................................................................................575

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

CongurationSFTOS Example Running-Conguration....................................................................................... 575

Debugging and Verifying MSTP Congurations........................................................................................................ 576

34 Multicast Features................................................................................................................................... 578

Enabling IP Multicast.....................................................................................................................................................578

Implementation Information..........................................................................................................................................578

First Packet Forwarding for Lossless Multicast......................................................................................................... 579

Multicast Policies........................................................................................................................................................... 579

IPv4 Multicast Policies............................................................................................................................................ 579

Understanding Multicast Traceroute (mtrace).......................................................................................................... 586

Important Points to Remember..............................................................................................................................587

Printing Multicast Traceroute (mtrace) Paths............................................................................................................587

Supported Error Codes.................................................................................................................................................588

mtrace Scenarios...........................................................................................................................................................589

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

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

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

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

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

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

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

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

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

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

Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................602

Multi-Process OSPFv2 with VRF..........................................................................................................................602

RFC-2328 Compliant OSPF Flooding................................................................................................................... 602

OSPF ACK Packing................................................................................................................................................. 603

Setting OSPF Adjacency with Cisco Routers...................................................................................................... 603

Conguration Information.............................................................................................................................................604

Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 604

Sample Congurations for OSPFv2....................................................................................................................... 615

Conguration Task List for OSPFv3 (OSPF for IPv6)............................................................................................... 616

20

Contents

Page is loading ...

Dell Networking Z9500 User guide

Dell Networking Z9500 User guide

Other documents