Dell PowerSwitch S5000 User guide

Dell 9.11(0.0) Configuration Guide for the S5000

Switch

Notes, cautions, and warnings

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

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2017 - 01

Rev. A00

Contents

1 About this Guide...........................................................................................................................................36

Audience........................................................................................................................................................................... 36

Conventions......................................................................................................................................................................36

Related Documents......................................................................................................................................................... 36

2 Configuration Fundamentals........................................................................................................................ 37

Accessing the Command Line........................................................................................................................................37

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

Navigating CLI Modes...............................................................................................................................................39

Port Numbering Convention.......................................................................................................................................... 40

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

The no Command............................................................................................................................................................ 42

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

Entering and Editing Commands................................................................................................................................... 43

Command History............................................................................................................................................................44

Filtering show Command Outputs.................................................................................................................................44

Multiple Users in Configuration Mode...........................................................................................................................45

3 Getting Started........................................................................................................................................... 46

Accessing Ports............................................................................................................................................................... 46

Accessing the RJ-45/RS-232 Console Port................................................................................................................46

Pin Assignments...............................................................................................................................................................47

Accessing the CLI Interface and Running Scripts Using SSH....................................................................................47

Entering CLI commands Using an SSH Connection..............................................................................................47

Executing Local CLI Scripts Using an SSH Connection........................................................................................47

Default Configuration...................................................................................................................................................... 48

Accessing the USB-B Console Port.............................................................................................................................. 48

Booting Process...............................................................................................................................................................48

Enter the Initial Configuration Information................................................................................................................... 50

Configuring the Enable Password.................................................................................................................................. 51

Configuring a Host Name................................................................................................................................................51

Navigating CLI Modes......................................................................................................................................................51

Default Configuration......................................................................................................................................................52

Configuring Layer 2 (Data Link) Mode......................................................................................................................... 52

Accessing the System Remotely................................................................................................................................... 52

Configure the Management Port IP Address...............................................................................................................52

Configure a Management Route................................................................................................................................... 53

Configuring a Username and Password........................................................................................................................53

Creating a Port-based VLAN......................................................................................................................................... 53

Assigning Interfaces to a VLAN..................................................................................................................................... 53

Assigning an IP Address to a VLAN...............................................................................................................................54

Connect the S5000 to the Network.............................................................................................................................54

Contents

3

Configure File Management........................................................................................................................................... 54

Copying Files to and from the System..........................................................................................................................54

Important Points to Remember............................................................................................................................... 55

Mounting an NFS File System....................................................................................................................................... 55

Important Points to Remember............................................................................................................................... 56

Saving the Running-Configuration................................................................................................................................ 57

Viewing Files..................................................................................................................................................................... 57

View Configuration Files................................................................................................................................................. 58

Compressing Configuration Files...................................................................................................................................59

Managing the File System.............................................................................................................................................. 62

Enabling Software Features on Devices Using a Command Option......................................................................... 62

View Command History.................................................................................................................................................. 63

Upgrading and Downgrading Dell Networking OS...................................................................................................... 63

Verify Software Images Before Installation..................................................................................................................63

Using HTTP for File Transfers........................................................................................................................................64

4 Switch Management....................................................................................................................................66

Configuring Privilege Levels........................................................................................................................................... 66

Creating a Custom Privilege Level.......................................................................................................................... 66

Removing a Command from EXEC Mode....................................................................................................................66

Moving a Command from EXEC Privilege Mode to EXEC Mode............................................................................. 66

Allowing Access to CONFIGURATION Mode Commands..........................................................................................67

Allowing Access to the Following Modes......................................................................................................................67

Applying a Privilege Level to a Username.....................................................................................................................68

Applying a Privilege Level to a Terminal Line............................................................................................................... 69

Configuring Logging........................................................................................................................................................ 69

Log Messages in the Internal Buffer............................................................................................................................. 69

Configuration Task List for System Log Management.........................................................................................69

Disabling System Logging.........................................................................................................................................70

Sending System Messages to a Syslog Server......................................................................................................70

Configuring a UNIX System as a Syslog Server...........................................................................................................70

Track Login Activity.........................................................................................................................................................70

Restrictions for Tracking Login Activity...................................................................................................................71

Configuring Login Activity Tracking......................................................................................................................... 71

Display Login Statistics.............................................................................................................................................. 71

Limit Concurrent Login Sessions....................................................................................................................................73

Restrictions for Limiting the Number of Concurrent Sessions............................................................................ 73

Configuring Concurrent Session Limit.....................................................................................................................73

Enabling the System to Clear Existing Sessions.................................................................................................... 73

Enabling Secured CLI Mode........................................................................................................................................... 74

Changing System Logging Settings.............................................................................................................................. 74

Display the Logging Buffer and the Logging Configuration....................................................................................... 75

Configuring a UNIX Logging Facility Level....................................................................................................................76

Synchronizing Log Messages......................................................................................................................................... 77

Enabling Timestamp on Syslog Messages.................................................................................................................... 77

File Transfer Services......................................................................................................................................................78

4

Contents

Configuration Task List for File Transfer Services.................................................................................................78

Enabling the FTP Server........................................................................................................................................... 78

Configuring FTP Server Parameters....................................................................................................................... 78

Configuring FTP Client Parameters.........................................................................................................................79

Terminal Lines...................................................................................................................................................................79

Denying and Permitting Access to a Terminal Line............................................................................................... 79

Configuring Login Authentication for Terminal Lines..................................................................................................80

Setting Time Out of EXEC Privilege Mode................................................................................................................... 81

Using Telnet to get to Another Network Device..........................................................................................................81

Lock CONFIGURATION Mode.......................................................................................................................................82

Viewing the Configuration Lock Status.................................................................................................................. 82

View the Configuration Lock Status............................................................................................................................. 83

Recovering from a Forgotten Password...................................................................................................................... 83

Recovering from a Forgotten Enable Password..........................................................................................................83

Recovering from a Failed Start...................................................................................................................................... 84

5 802.1X......................................................................................................................................................... 85

The Port-Authentication Process..................................................................................................................................87

EAP over RADIUS............................................................................................................................................................87

RADIUS Attributes for 802.1 Support..................................................................................................................... 88

Configuring 802.1X.......................................................................................................................................................... 88

Related Configuration Tasks.................................................................................................................................... 88

Important Points to Remember............................................................................................................................... 88

Enabling 802.1X................................................................................................................................................................89

Configuring MAC addresses for a do1x Profile............................................................................................................ 90

Configuring Request Identity Re-Transmissions.......................................................................................................... 91

Configuring a Quiet Period after a Failed Authentication............................................................................................91

Forcibly Authorizing or Unauthorizing a Port...............................................................................................................92

Re-Authenticating a Port................................................................................................................................................93

Configuring Timeouts......................................................................................................................................................94

Configuring Dynamic VLAN Assignment with Port Authentication.......................................................................... 95

Guest and Authentication-Fail VLANs.......................................................................................................................... 96

Configuring a Guest VLAN....................................................................................................................................... 96

Configuring an Authentication-Fail VLAN...............................................................................................................96

Configuring dot1x Profile ................................................................................................................................................97

Configuring the Static MAB and MAB Profile ............................................................................................................ 98

Configuring Critical VLAN ..............................................................................................................................................99

6 Access Control List (ACL) VLAN Groups and Content Addressable Memory (CAM)................................. 100

Optimizing CAM Utilization During the Attachment of ACLs to VLANs................................................................ 100

Guidelines for Configuring ACL VLAN Groups............................................................................................................101

Configuring ACL VLAN Groups and Configuring FP Blocks for VLAN Parameters...............................................101

Configuring ACL VLAN Groups...............................................................................................................................101

Configuring FP Blocks for VLAN Parameters.......................................................................................................102

Viewing CAM Usage...................................................................................................................................................... 103

Allocating FP Blocks for VLAN Processes.................................................................................................................. 104

Contents

5

7 Access Control Lists (ACLs)...................................................................................................................... 106

IP Access Control Lists (ACLs)....................................................................................................................................106

CAM Allocation and CAM Optimization.......................................................................................................................107

User Configurable CAM Allocation.........................................................................................................................107

CAM Optimization....................................................................................................................................................108

Test CAM Usage......................................................................................................................................................108

View CAM-ACL Settings.........................................................................................................................................108

View CAM Usage......................................................................................................................................................110

QoS CAM Region Limitation....................................................................................................................................110

Implementing ACLs on Dell Networking OS.................................................................................................................111

ACLs and VLANs........................................................................................................................................................111

ACL Optimization.......................................................................................................................................................111

Determine the Order in which ACLs are Used to Classify Traffic.......................................................................111

IP Fragment Handling..................................................................................................................................................... 112

IP Fragments ACL Examples................................................................................................................................... 112

Layer 4 ACL Rules Examples................................................................................................................................... 113

Configure a Standard IP ACL........................................................................................................................................ 114

Configuring a Standard IP ACL Filter..................................................................................................................... 115

Configure an Extended IP ACL..................................................................................................................................... 115

Configuring Filters with a Sequence Number........................................................................................................116

Configuring Filters Without a Sequence Number................................................................................................. 116

Established Flag...............................................................................................................................................................117

Configure Layer 2 and Layer 3 ACLs............................................................................................................................117

Assign an IP ACL to an Interface.................................................................................................................................. 118

Applying an IP ACL....................................................................................................................................................118

Counting ACL Hits.................................................................................................................................................... 119

Configure Ingress ACLs..................................................................................................................................................119

Configure Egress ACLs.................................................................................................................................................. 119

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

Configure ACLs to Loopback........................................................................................................................................ 121

Applying an ACL on Loopback Interfaces.................................................................................................................... 121

IP Prefix Lists.................................................................................................................................................................. 122

Implementation Information.................................................................................................................................... 122

Configuration Task List for Prefix Lists................................................................................................................. 122

Creating a Prefix List..................................................................................................................................................... 123

Creating a Prefix List Without a Sequence Number............................................................................................123

Viewing Prefix Lists..................................................................................................................................................124

Applying a Prefix List for Route Redistribution.................................................................................................... 125

Applying a Filter to a Prefix List (OSPF)...............................................................................................................125

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

Resequencing an ACL or Prefix List...................................................................................................................... 126

Route Maps.....................................................................................................................................................................128

Implementation Information.................................................................................................................................... 128

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

Configuration Task List for Route Maps............................................................................................................... 128

6

Contents

Creating a Route Map..............................................................................................................................................128

Configure Route Map Filters...................................................................................................................................130

Configuring Match Routes......................................................................................................................................130

Configuring Set Conditions..................................................................................................................................... 132

Configure a Route Map for Route Redistribution................................................................................................ 133

Configure a Route Map for Route Tagging...........................................................................................................133

Continue Clause........................................................................................................................................................134

8 Bidirectional Forwarding Detection (BFD)..................................................................................................135

How BFD Works.............................................................................................................................................................135

BFD Packet Format....................................................................................................................................................... 136

BFD Sessions.................................................................................................................................................................. 137

BFD Three-Way Handshake......................................................................................................................................... 138

Session State Changes..................................................................................................................................................140

Important Points to Remember..............................................................................................................................140

Configure BFD................................................................................................................................................................ 140

Configure BFD for Physical Ports...........................................................................................................................141

Configure BFD for Static Routes........................................................................................................................... 142

Configure BFD for OSPF.........................................................................................................................................145

Configure BFD for IS-IS...........................................................................................................................................148

Configure BFD for BGP............................................................................................................................................151

Configuring Protocol Liveness................................................................................................................................157

Troubleshooting BFD..................................................................................................................................................... 157

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

Autonomous Systems (AS).......................................................................................................................................... 160

Sessions and Peers........................................................................................................................................................ 162

Establish a Session...................................................................................................................................................162

Route Reflectors............................................................................................................................................................ 163

Communities................................................................................................................................................................... 164

BGP Attributes............................................................................................................................................................... 164

Best Path Selection Criteria....................................................................................................................................164

Weight............................................................................................................................................................................. 166

Local Preference............................................................................................................................................................ 166

Multi-Exit Discriminators (MEDs)...........................................................................................................................167

Origin................................................................................................................................................................................168

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

Next Hop......................................................................................................................................................................... 169

Multiprotocol BGP..........................................................................................................................................................169

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

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

Advertise IGP Cost as MED for Redistributed Routes........................................................................................170

Ignore Router-ID for Some Best-Path Calculations.............................................................................................170

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

AS4 Number Representation...................................................................................................................................171

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

Contents

7

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

Important Points to Remember..............................................................................................................................174

Configuration Information..............................................................................................................................................174

BGP Configuration................................................................................................................................................... 175

Enabling BGP.................................................................................................................................................................. 176

Configuring AS4 Number Representations.................................................................................................................179

Configuring Peer Groups...............................................................................................................................................180

Configuring BGP Fast Fall-Over...................................................................................................................................183

Configuring Passive Peering......................................................................................................................................... 184

Maintaining Existing AS Numbers During an AS Migration.......................................................................................185

Allowing an AS Number to Appear in its Own AS Path.............................................................................................186

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

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

Filtering on an AS-Path Attribute.................................................................................................................................188

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

Filtering BGP Routes Using AS-PATH Information................................................................................................... 190

Redistributing Routes..................................................................................................................................................... 191

Enabling Additional Paths..............................................................................................................................................192

Configuring IP Community Lists...................................................................................................................................192

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

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

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

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

Configuring the local System or a Different System to be the Next Hop for BGP-Learned Routes..................196

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

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

Filtering BGP Routes Using Route Maps.................................................................................................................... 197

Filtering BGP Routes Using AS-PATH Information................................................................................................... 198

Filtering BGP Routes..................................................................................................................................................... 199

Filtering BGP Routes Using Route Maps............................................................................................................. 200

Filtering BGP Routes Using AS-PATH Information............................................................................................. 201

Configuring BGP Route Reflectors..............................................................................................................................201

Aggregating Routes...................................................................................................................................................... 202

Configuring BGP Confederations................................................................................................................................202

Enabling Route Flap Dampening..................................................................................................................................203

Changing BGP Timers...................................................................................................................................................205

Enabling BGP Neighbor Soft-Reconfiguration.......................................................................................................... 206

Enabling or disabling BGP neighbors...........................................................................................................................207

Route Map Continue.....................................................................................................................................................208

Match a Clause with a Continue Clause...............................................................................................................208

Set a Clause with a Continue Clause.................................................................................................................... 208

Enabling MBGP Configurations................................................................................................................................... 208

BGP Regular Expression Optimization........................................................................................................................209

Debugging BGP............................................................................................................................................................. 209

Storing Last and Bad PDUs.................................................................................................................................... 210

8

Contents

Capturing PDUs.........................................................................................................................................................211

PDU Counters...........................................................................................................................................................212

Sample Configurations...................................................................................................................................................212

10 Bare Metal Provisioning (BMP)................................................................................................................ 221

Prerequisites................................................................................................................................................................... 221

Restrictions..................................................................................................................................................................... 221

Reconfiguring Jumpstart and Normal Modes............................................................................................................222

Jumpstart Mode............................................................................................................................................................ 223

DHCP Server/Configuration..................................................................................................................................223

MAC-Based IP Assignment....................................................................................................................................224

DHCP Retry Mechanism........................................................................................................................................ 225

File Server.......................................................................................................................................................................225

Domain Name Server.................................................................................................................................................... 226

Switch Boot and Set-up Behavior in Jumpstart Mode.............................................................................................226

11 Content Addressable Memory (CAM).......................................................................................................228

CAM Allocation.............................................................................................................................................................. 228

Re-Allocating CAM for Ingress ACLs and QoS..........................................................................................................229

Re-Allocating CAM for Egress ACLs.......................................................................................................................... 230

Testing CAM Usage for QoS Policies.......................................................................................................................... 231

Displaying CAM-ACL Settings......................................................................................................................................231

Displaying CAM-ACL-Egress Settings........................................................................................................................232

CAM Optimization......................................................................................................................................................... 232

Troubleshoot CAM Profiling...................................................................................................................................232

12 Control Plane Policing (CoPP)................................................................................................................. 233

Configure Control Plane Policing.................................................................................................................................234

Configuring CoPP for Protocols..................................................................................................................................235

Configuring CoPP for CPU Queues............................................................................................................................ 237

Show Commands...........................................................................................................................................................237

13 Data Center Bridging (DCB).....................................................................................................................239

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 Traffic Flow................................................................................................................. 243

Enabling Data Center Bridging.....................................................................................................................................243

DCB Maps and its Attributes................................................................................................................................. 244

Data Center Bridging: Default Configuration.............................................................................................................245

Configuring Priority-Based Flow Control....................................................................................................................245

Configuring Lossless Queues................................................................................................................................. 246

Configuring PFC in a DCB Map................................................................................................................................... 247

PFC Configuration Notes....................................................................................................................................... 247

PFC Prerequisites and Restrictions.......................................................................................................................248

Contents

9

Applying a DCB Map on a Port.................................................................................................................................... 248

Configuring PFC without a DCB Map.........................................................................................................................249

Configuring Lossless QueuesExample:................................................................................................................. 249

Priority-Based Flow Control Using Dynamic Buffer Method....................................................................................251

Pause and Resume of Traffic................................................................................................................................. 251

Buffer Sizes for Lossless or PFC Packets............................................................................................................ 251

Behavior of Tagged Packets........................................................................................................................................252

Configuration Example for DSCP and PFC Priorities............................................................................................... 252

Using PFC to Manage Converged Ethernet Traffic................................................................................................. 253

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

ETS Prerequisites and Restrictions.......................................................................................................................253

Creating an ETS Priority Group............................................................................................................................. 253

ETS Operation with DCBx......................................................................................................................................255

Configuring Bandwidth Allocation for DCBx CIN................................................................................................ 255

Configuring ETS in a DCB Map............................................................................................................................. 256

Hierarchical Scheduling in ETS Output Policies.........................................................................................................257

Using ETS to Manage Converged Ethernet Traffic..................................................................................................258

Applying DCB Policies in a Switch Stack....................................................................................................................258

Configure a DCBx Operation....................................................................................................................................... 258

DCBx Operation.......................................................................................................................................................258

DCBx Port Roles......................................................................................................................................................259

DCB Configuration Exchange................................................................................................................................ 260

Configuration Source Election...............................................................................................................................260

Propagation of DCB Information............................................................................................................................261

Auto-Detection and Manual Configuration of the DCBx Version...................................................................... 261

DCBx Example......................................................................................................................................................... 262

DCBx Prerequisites and Restrictions.................................................................................................................... 262

Configuring DCBx....................................................................................................................................................262

Verifying the DCB Configuration.................................................................................................................................266

Sample DCB Configuration...........................................................................................................................................274

PFC and ETS Configuration Command Examples...............................................................................................276

QoS dot1p Traffic Classification and Queue Assignment......................................................................................... 276

Configuring the Dynamic Buffer Method................................................................................................................... 277

14 Dynamic Host Configuration Protocol (DHCP).........................................................................................279

DHCP Packet Format and Options............................................................................................................................. 279

Assign an IP Address using DHCP............................................................................................................................... 281

Implementation Information......................................................................................................................................... 282

Configuration Tasks.......................................................................................................................................................282

Configure the System to be a DHCP Server............................................................................................................. 282

Configuration Tasks.................................................................................................................................................283

Configuring the Server for Automatic Address Allocation................................................................................. 283

Specifying a Default Gateway................................................................................................................................284

Enabling the DHCP Server.....................................................................................................................................284

Configure a Method of Hostname Resolution.....................................................................................................285

Creating Manual Binding Entries........................................................................................................................... 286

10

Contents

Debugging the DHCP Server.................................................................................................................................286

Using DHCP Clear Commands.............................................................................................................................. 286

Configure the System to be a Relay Agent................................................................................................................287

Configure the System for User Port Stacking...........................................................................................................289

Configure Secure DHCP...............................................................................................................................................289

Option 82..................................................................................................................................................................289

DHCP Snooping.......................................................................................................................................................290

Drop DHCP Packets on Snooped VLANs Only.................................................................................................... 291

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

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

Viewing the Number of SAV Dropped Packets.........................................................................................................295

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

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

ECMP for Flow-Based Affinity.................................................................................................................................... 297

Configuring the Hash Algorithm.................................................................................................................................. 297

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

Configuring the Hash Algorithm Seed........................................................................................................................ 298

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

Managing ECMP Group Paths.................................................................................................................................... 298

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

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

16 Fabric Services......................................................................................................................................... 301

Configuring Switch Mode to Fabric Services............................................................................................................ 302

Name Server.................................................................................................................................................................. 302

Link State Database...................................................................................................................................................... 303

Inter Switch Link (ISL)............................................................................................................................................303

Principal Switch Selection and Domain ID Assignment...................................................................................... 304

Route Table.............................................................................................................................................................. 304

Zoning............................................................................................................................................................................. 304

Creating Zone and Adding Members.................................................................................................................... 304

Creating Zone Alias and Adding Members...........................................................................................................305

Creating Zonesets...................................................................................................................................................305

Activating a Zoneset...............................................................................................................................................305

Zone Merge (within ISL)........................................................................................................................................ 306

Configuring Fabric Parameters..............................................................................................................................306

Displaying the Fabric Parameters..........................................................................................................................307

17 FCoE Transit............................................................................................................................................. 312

Fibre Channel over Ethernet.........................................................................................................................................312

Ensure Robustness in a Converged Ethernet Network............................................................................................ 312

FIP Snooping on Ethernet Bridges...............................................................................................................................314

FIP Snooping in a Switch Stack................................................................................................................................... 316

Using FIP Snooping........................................................................................................................................................316

Enable the FCoE Transit Feature...........................................................................................................................316

Contents

11

FIP Snooping Prerequisites..................................................................................................................................... 317

Important Points to Remember..............................................................................................................................317

Enabling the FCoE Transit Feature........................................................................................................................318

Enable FIP Snooping on VLANs..............................................................................................................................318

Configure the FC-MAP Value.................................................................................................................................318

Configure a Port for a Bridge-to-Bridge Link....................................................................................................... 319

Configure a Port for a Bridge-to-FCF Link...........................................................................................................319

Impact on Other Software Features......................................................................................................................319

FIP Snooping on an NPIV Proxy Gateway........................................................................................................... 320

FIP Snooping in an S5000 Stack...........................................................................................................................320

Impact on Other Software Features.....................................................................................................................320

FIP Snooping Restrictions...................................................................................................................................... 320

Configuring FIP Snooping........................................................................................................................................321

Displaying FIP Snooping Information.....................................................................................................................322

FCoE Transit Configuration Example.......................................................................................................................... 327

18 FIPS Cryptography...................................................................................................................................329

Configuration Tasks...................................................................................................................................................... 329

Preparing the System................................................................................................................................................... 329

Enabling FIPS Mode......................................................................................................................................................330

Generating Host-Keys.................................................................................................................................................. 330

Monitoring FIPS Mode Status..................................................................................................................................... 330

Disabling FIPS Mode...................................................................................................................................................... 331

19 Fibre Channel Interface............................................................................................................................332

Configure Fibre Channel Interfaces............................................................................................................................ 332

Enabling Fibre Channel Capability................................................................................................................................332

Configuring Fibre Channel Interfaces......................................................................................................................... 333

Displaying Fibre Channel Information..........................................................................................................................333

Troubleshooting Fibre Channel Operation..................................................................................................................336

Configuring the Fibre Channel Port Group in Passthrough Ethernet Mode..........................................................337

Displaying Fibre Channel Port Group Mode Information..........................................................................................338

20 Force10 Resilient Ring Protocol (FRRP)..................................................................................................339

Protocol Overview.........................................................................................................................................................339

Ring Status................................................................................................................................................................341

Multiple FRRP Rings................................................................................................................................................ 341

Important FRRP Points...........................................................................................................................................342

Important FRRP Concepts.....................................................................................................................................343

Implementing FRRP.......................................................................................................................................................344

FRRP Configuration...................................................................................................................................................... 344

Creating the FRRP Group...................................................................................................................................... 344

Configuring the Control VLAN...............................................................................................................................345

Configuring and Adding the Member VLANs.......................................................................................................346

Setting the FRRP Timers........................................................................................................................................347

Clearing the FRRP Counters..................................................................................................................................347

12

Contents

Viewing the FRRP Configuration...........................................................................................................................347

Viewing the FRRP Information...............................................................................................................................347

Troubleshooting FRRP..................................................................................................................................................348

Configuration Checks..............................................................................................................................................348

Sample Configuration and Topology........................................................................................................................... 348

FRRP Support on VLT..................................................................................................................................................350

Example Scenario.....................................................................................................................................................351

Important Points to Remember.............................................................................................................................352

21 GARP VLAN Registration Protocol (GVRP)............................................................................................. 353

Important Points to Remember...................................................................................................................................353

Configure GVRP............................................................................................................................................................ 353

Related Configuration Tasks..................................................................................................................................354

Enabling GVRP Globally................................................................................................................................................ 354

Enabling GVRP on a Layer 2 Interface....................................................................................................................... 355

Configure GVRP Registration......................................................................................................................................355

Configure a GARP Timer..............................................................................................................................................356

22 High Availability (HA)...............................................................................................................................357

High Availability on Stacks............................................................................................................................................357

Hitless Behavior............................................................................................................................................................. 357

Graceful Restart............................................................................................................................................................ 358

Software Resiliency.......................................................................................................................................................358

System Health Monitoring......................................................................................................................................358

Failure and Event Logging......................................................................................................................................358

Trace Log..................................................................................................................................................................358

Core Dumps............................................................................................................................................................. 358

System Log.............................................................................................................................................................. 359

Hot-Lock Behavior........................................................................................................................................................ 359

Component Redundancy..............................................................................................................................................359

Automatic and Manual Stack Unit Failover..........................................................................................................359

Synchronization between Management and Standby Units............................................................................. 360

Forcing a Stack Unit Failover.................................................................................................................................360

Specifying an Auto-Failover Limit..........................................................................................................................360

Disabling Auto-Reboot.............................................................................................................................................361

Manually Synchronizing Management and Standby Units..................................................................................361

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

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

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

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

Join a Multicast Group............................................................................................................................................363

Leaving a Multicast Group......................................................................................................................................363

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

Configure IGMP............................................................................................................................................................. 367

Related Configuration Tasks.................................................................................................................................. 367

Contents

13

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

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

Viewing IGMP Groups...................................................................................................................................................368

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

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

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

IGMP Snooping..............................................................................................................................................................370

IGMP Snooping Implementation Information.......................................................................................................370

Configuring IGMP Snooping...................................................................................................................................370

Removing a Group-Port Association......................................................................................................................371

Enabling IGMP Immediate-Leave........................................................................................................................... 371

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

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

Configuring the Switch as Querier........................................................................................................................ 372

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

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

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

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

Handling of Management Route Configuration...................................................................................................375

Handling of Switch-Initiated Traffic...................................................................................................................... 376

Handling of Switch-Destined Traffic.....................................................................................................................377

Handling of Transit Traffic (Traffic Separation).................................................................................................. 377

Mapping of Management Applications and Traffic Type....................................................................................377

Behavior of Various Applications for Switch-Initiated Traffic ...........................................................................378

Behavior of Various Applications for Switch-Destined Traffic ......................................................................... 379

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

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

24 Interfaces................................................................................................................................................ 382

Basic Interface Configuration.......................................................................................................................................382

Advanced Interface Configuration.............................................................................................................................. 382

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

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

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

Enabling Energy Efficient Ethernet.............................................................................................................................386

View EEE Information................................................................................................................................................... 386

Clear EEE Counters.......................................................................................................................................................390

Enabling a Physical Interface........................................................................................................................................ 391

Physical Interfaces......................................................................................................................................................... 391

Configuration Task List for Physical Interfaces...................................................................................................392

Overview of Layer Modes...................................................................................................................................... 392

Configuring Layer 2 (Data Link) Mode................................................................................................................. 392

Configuring Layer 2 (Interface) Mode..................................................................................................................393

Configuring Layer 3 (Network) Mode.................................................................................................................. 393

Configuring Layer 3 (Interface) Mode..................................................................................................................394

Egress Interface Selection (EIS)................................................................................................................................. 394

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Important Points to Remember.............................................................................................................................394

Configuring EIS........................................................................................................................................................395

Management Interfaces............................................................................................................................................... 395

Configuring Management Interfaces.................................................................................................................... 395

Configuring a Management Interface on an Ethernet Port............................................................................... 397

VLAN Interfaces.............................................................................................................................................................397

Loopback Interfaces......................................................................................................................................................398

Null Interfaces................................................................................................................................................................399

Port Channel Interfaces................................................................................................................................................399

Port Channel Definition and Standards................................................................................................................ 399

Port Channel Benefits.............................................................................................................................................399

Port Channel Implementation................................................................................................................................ 399

Interfaces in Port Channels....................................................................................................................................400

Configuration Tasks for Port Channel Interfaces................................................................................................400

Creating a Port Channel..........................................................................................................................................401

Adding a Physical Interface to a Port Channel.....................................................................................................401

Reassigning an Interface to a New Port Channel............................................................................................... 403

Configuring the Minimum Oper Up Links in a Port Channel.............................................................................. 403

Adding or Removing a Port Channel from a VLAN.............................................................................................404

Assigning an IP Address to a Port Channel..........................................................................................................405

Deleting or Disabling a Port Channel.....................................................................................................................405

Load Balancing Through Port Channels............................................................................................................... 405

Changing the Hash Algorithm................................................................................................................................406

Bulk Configuration......................................................................................................................................................... 407

Interface Range....................................................................................................................................................... 407

Bulk Configuration Examples..................................................................................................................................407

Defining Interface Range Macros................................................................................................................................409

Define the Interface Range....................................................................................................................................409

Choosing an Interface-Range Macro....................................................................................................................409

Monitoring and Maintaining Interfaces.......................................................................................................................409

Maintenance Using TDR..........................................................................................................................................410

Splitting QSFP Ports to SFP+ Ports............................................................................................................................ 411

Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port.................................................................................. 412

Important Points to Remember..............................................................................................................................412

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

Configuring wavelength for 10–Gigabit SFP+ optics................................................................................................416

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

Important Points to Remember..............................................................................................................................417

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

Link Bundle Monitoring..................................................................................................................................................418

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

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

Configure the MTU Size on an Interface................................................................................................................... 420

Port-Pipes....................................................................................................................................................................... 421

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

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15

Setting the Speed of Ethernet Interfaces.............................................................................................................421

Set Auto-Negotiation Options............................................................................................................................... 423

View Advanced Interface Information........................................................................................................................ 423

Configuring the Interface Sampling Size.............................................................................................................. 424

Configuring the Traffic Sampling Size Globally..........................................................................................................425

Dynamic Counters......................................................................................................................................................... 426

Clearing Interface Counters................................................................................................................................... 427

25 Internet Protocol Security (IPSec)..........................................................................................................428

Configuring IPSec .........................................................................................................................................................428

26 IPv4 Routing............................................................................................................................................430

IP Addresses................................................................................................................................................................... 431

Implementation Information.................................................................................................................................... 431

Configuration Tasks for IP Addresses......................................................................................................................... 431

Assigning IP Addresses to an Interface....................................................................................................................... 431

Configuring Static Routes............................................................................................................................................ 432

Configure Static Routes for the Management Interface......................................................................................... 433

IPv4 Path MTU Discovery Overview.......................................................................................................................... 434

Using the Configured Source IP Address in ICMP Messages................................................................................. 434

Configuring the ICMP Source Interface...............................................................................................................434

Configuring the Duration to Establish a TCP Connection........................................................................................435

Enabling Directed Broadcast........................................................................................................................................435

Resolution of Host Names............................................................................................................................................435

Enabling Dynamic Resolution of Host Names............................................................................................................436

Specifying the Local System Domain and a List of Domains...................................................................................436

Configuring DNS with Traceroute...............................................................................................................................437

ARP..................................................................................................................................................................................437

Configuration Tasks for ARP........................................................................................................................................438

Configuring Static ARP Entries....................................................................................................................................438

Enabling Proxy ARP.......................................................................................................................................................438

Clearing ARP Cache......................................................................................................................................................439

ARP Learning via Gratuitous ARP............................................................................................................................... 439

Enabling ARP Learning via Gratuitous ARP............................................................................................................... 439

ARP Learning via ARP Request...................................................................................................................................439

Configuring ARP Retries...............................................................................................................................................440

ICMP................................................................................................................................................................................ 441

Configuration Tasks for ICMP...................................................................................................................................... 441

Enabling ICMP Unreachable Messages.......................................................................................................................441

UDP Helper..................................................................................................................................................................... 441

Configure UDP Helper............................................................................................................................................. 441

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

Enabling UDP Helper.....................................................................................................................................................442

Configuring a Broadcast Address................................................................................................................................442

Configurations Using UDP Helper............................................................................................................................... 443

UDP Helper with Broadcast-All Addresses................................................................................................................ 443

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UDP Helper with Subnet Broadcast Addresses........................................................................................................ 444

UDP Helper with Configured Broadcast Addresses..................................................................................................444

UDP Helper with No Configured Broadcast Addresses........................................................................................... 445

Troubleshooting UDP Helper....................................................................................................................................... 445

27 IPv6 Routing............................................................................................................................................446

Protocol Overview.........................................................................................................................................................446

Extended Address Space........................................................................................................................................446

Stateless Autoconfiguration...................................................................................................................................446

IPv6 Headers............................................................................................................................................................447

IPv6 Header Fields...................................................................................................................................................447

Extension Header Fields......................................................................................................................................... 449

Addressing................................................................................................................................................................450

Implementing IPv6 with Dell Networking OS..............................................................................................................451

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

Path MTU Discovery................................................................................................................................................451

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

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

Configuration Tasks for IPv6....................................................................................................................................... 453

Adjusting Your CAM-Profile................................................................................................................................... 454

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

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

Configuring Telnet with IPv6................................................................................................................................. 455

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

Showing IPv6 Information......................................................................................................................................456

Showing an IPv6 Interface.....................................................................................................................................456

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

Showing the Running-Configuration for an Interface........................................................................................ 458

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

Configuring IPv6 RA Guard..........................................................................................................................................459

Configuring IPv6 RA Guard on an Interface......................................................................................................... 461

Monitoring IPv6 RA Guard......................................................................................................................................461

28 iSCSI Optimization.................................................................................................................................. 463

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

Monitoring iSCSI Traffic Flows..............................................................................................................................464

Application of Quality of Service to iSCSI Traffic Flows.................................................................................... 464

Information Monitored in iSCSI Traffic Flows......................................................................................................465

Detection and Auto-Configuration for Dell EqualLogic Arrays.......................................................................... 465

Configuring Detection and Ports for Dell Compellent Arrays............................................................................ 466

Enable and Disable iSCSI Optimization.................................................................................................................466

Default iSCSI Optimization Values...............................................................................................................................467

iSCSI Optimization Prerequisites................................................................................................................................. 467

Configuring iSCSI Optimization....................................................................................................................................467

Displaying iSCSI Optimization Information................................................................................................................. 469

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29 Intermediate System to Intermediate System.......................................................................................... 471

IS-IS Protocol Overview................................................................................................................................................ 471

IS-IS Addressing..............................................................................................................................................................471

Multi-Topology IS-IS......................................................................................................................................................472

Transition Mode....................................................................................................................................................... 472

Interface Support.....................................................................................................................................................473

Adjacencies...............................................................................................................................................................473

Graceful Restart.............................................................................................................................................................473

Timers........................................................................................................................................................................473

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

Configuration Information.............................................................................................................................................474

Configuration Tasks for IS-IS.................................................................................................................................475

Configuring the Distance of a Route.....................................................................................................................482

Changing the IS-Type............................................................................................................................................. 483

IS-IS Metric Styles.........................................................................................................................................................487

Configure Metric Values...............................................................................................................................................488

Maximum Values in the Routing Table..................................................................................................................488

Change the IS-IS Metric Style in One Level Only................................................................................................488

Leaks from One Level to Another......................................................................................................................... 490

Sample Configurations..................................................................................................................................................490

30 Link Aggregation Control Protocol (LACP)..............................................................................................493

Introduction to Dynamic LAGs and LACP.................................................................................................................. 493

Important Points to Remember.............................................................................................................................493

LACP Modes............................................................................................................................................................ 494

Configuring LACP Commands...............................................................................................................................494

LACP Configuration Tasks........................................................................................................................................... 495

Creating a LAG........................................................................................................................................................ 495

Configuring the LAG Interfaces as Dynamic........................................................................................................495

Setting the LACP Long Timeout........................................................................................................................... 496

Monitoring and Debugging LACP..........................................................................................................................496

Shared LAG State Tracking..........................................................................................................................................497

Configuring Shared LAG State Tracking.............................................................................................................. 497

Important Points about Shared LAG State Tracking..........................................................................................498

LACP Basic Configuration Example............................................................................................................................ 499

Configure a LAG on ALPHA...................................................................................................................................499

31 Layer 2..................................................................................................................................................... 507

Manage the MAC Address Table.................................................................................................................................507

Clearing the MAC Address Table.......................................................................................................................... 507

Setting the Aging Time for Dynamic Entries........................................................................................................507

Configuring a Static MAC Address....................................................................................................................... 508

Displaying the MAC Address Table.......................................................................................................................508

MAC Learning Limit.......................................................................................................................................................508

mac learning-limit Dynamic.................................................................................................................................... 509

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mac learning-limit mac-address-sticky.................................................................................................................509

mac learning-limit station-move............................................................................................................................509

Learning Limit Violation Actions............................................................................................................................ 509

Setting Station Move Violation Actions................................................................................................................ 510

Recovering from Learning Limit and Station Move Violations........................................................................... 510

Disabling MAC Address Learning on the System..................................................................................................511

NIC Teaming....................................................................................................................................................................511

Configure Redundant Pairs...........................................................................................................................................512

Important Points about Configuring Redundant Pairs........................................................................................ 514

Far-End Failure Detection............................................................................................................................................. 515

FEFD State Changes............................................................................................................................................... 516

Configuring FEFD..................................................................................................................................................... 517

Enabling FEFD on an Interface............................................................................................................................... 517

Debugging FEFD...................................................................................................................................................... 518

32 Link Layer Discovery Protocol (LLDP).....................................................................................................520

802.1AB (LLDP) Overview...........................................................................................................................................520

Protocol Data Units.................................................................................................................................................520

Optional TLVs................................................................................................................................................................. 521

Management TLVs...................................................................................................................................................521

TIA-1057 (LLDP-MED) Overview......................................................................................................................... 523

Configure LLDP..............................................................................................................................................................527

Related Configuration Tasks.................................................................................................................................. 527

Important Points to Remember............................................................................................................................. 527

LLDP Compatibility..................................................................................................................................................528

CONFIGURATION versus INTERFACE Configurations..................................................................................... 528

Enabling LLDP..........................................................................................................................................................528

Disabling and Undoing LLDP..................................................................................................................................529

Enabling LLDP on Management Ports........................................................................................................................529

Disabling and Undoing LLDP on Management Ports..........................................................................................529

Advertising TLVs........................................................................................................................................................... 529

Viewing the LLDP Configuration.................................................................................................................................530

Viewing Information Advertised by Adjacent LLDP Agents......................................................................................531

Configuring LLDPDU Intervals.....................................................................................................................................532

Configuring Transmit and Receive Mode...................................................................................................................532

Configuring a Time to Live........................................................................................................................................... 533

Debugging LLDP............................................................................................................................................................534

Relevant Management Objects...................................................................................................................................535

33 Microsoft Network Load Balancing..........................................................................................................540

NLB Unicast Mode Scenario........................................................................................................................................540

NLB Multicast Mode Scenario.....................................................................................................................................540

Limitations of the NLB Feature.................................................................................................................................... 541

Microsoft Clustering...................................................................................................................................................... 541

Enable and Disable VLAN Flooding ............................................................................................................................. 541

Configuring a Switch for NLB ..................................................................................................................................... 541

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19

Enabling a Switch for Multicast NLB.................................................................................................................... 542

34 Multicast Source Discovery Protocol (MSDP).........................................................................................543

Protocol Overview.........................................................................................................................................................543

Anycast RP.....................................................................................................................................................................544

Implementation Information......................................................................................................................................... 545

Configure Multicast Source Discovery Protocol....................................................................................................... 545

Related Configuration Tasks........................................................................................................................................545

Enable MSDP.................................................................................................................................................................549

Manage the Source-Active Cache..............................................................................................................................550

Viewing the Source-Active Cache........................................................................................................................550

Limiting the Source-Active Cache........................................................................................................................ 550

Clearing the Source-Active Cache........................................................................................................................ 551

Enabling the Rejected Source-Active Cache....................................................................................................... 551

Accept Source-Active Messages that Fail the RFP Check......................................................................................551

Specifying Source-Active Messages.......................................................................................................................... 555

Limiting the Source-Active Messages from a Peer.................................................................................................. 556

Preventing MSDP from Caching a Local Source......................................................................................................556

Preventing MSDP from Caching a Remote Source..................................................................................................557

Preventing MSDP from Advertising a Local Source.................................................................................................557

Logging Changes in Peership States.......................................................................................................................... 558

Terminating a Peership.................................................................................................................................................558

Clearing Peer Statistics................................................................................................................................................ 559

Debugging MSDP..........................................................................................................................................................559

Configuring Anycast RP............................................................................................................................................... 560

Reducing Source-Active Message Flooding........................................................................................................560

Specifying the RP Address Used in SA Messages..............................................................................................560

MSDP Sample Configurations..................................................................................................................................... 563

35 Multiple Spanning Tree Protocol (MSTP)............................................................................................... 566

Protocol Overview........................................................................................................................................................ 566

Configure Multiple Spanning Tree Protocol...............................................................................................................567

Related Configuration Tasks.................................................................................................................................. 567

Enable Multiple Spanning Tree Globally......................................................................................................................567

Adding and Removing Interfaces................................................................................................................................ 568

Creating Multiple Spanning Tree Instances............................................................................................................... 568

Influencing MSTP Root Selection............................................................................................................................... 569

Interoperate with Non-Dell Networking OS Bridges.................................................................................................570

Modifying Global Parameters.......................................................................................................................................570

Modifying the Interface Parameters............................................................................................................................571

Configuring an EdgePort.............................................................................................................................................. 572

Configuring Fast Hellos for Link State Detection......................................................................................................573

Flush MAC Addresses after a Topology Change.......................................................................................................573

MSTP Sample Configurations......................................................................................................................................573

Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-

ConfigurationSFTOS Example Running-Configuration.......................................................................................574

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Dell PowerSwitch S5000 User guide

Dell PowerSwitch S5000 User guide

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