3com 3CRWX120695A, 3CRWX440095A Configuration manual

http://www.3com.com/

Part No. 730-9502-0071, Revision B

Published April 2005

Wireless LAN Mobility System

Wireless LAN Switch and Controller

Configuration Guide

3CRWX120695A, 3CRWX440095A

3Com Corporation

350 Campus Drive

Marlborough, MA USA

01752-3064

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If you are a United States government agency, then this documentation and the software described herein are

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All technical data and computer software are commercial in nature and developed solely at private expense.

Software is delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014 (June 1995) or

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Mobility Domain, Mobility Point, Mobility Profile, Mobility System, Mobility System Software, MP, MSS, and

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CONTENTS

ABOUT THIS GUIDE

Conventions 17

Documentation 18

Documentation Comments 19

1 USING THE COMMAND-LINE INTERFACE

Overview 21

CLI Conventions 21

Command Prompts 22

Syntax Notation 22

Text Entry Conventions and Allowed Characters 22

User Globs, MAC Address Globs, and VLAN Globs 24

Port Lists 26

Virtual LAN Identification 26

Command-Line Editing 27

Keyboard Shortcuts 27

History Buffer 27

Tabs 27

Single-Asterisk (*) Wildcard Character 28

Double-Asterisk (**) Wildcard Characters 28

Using CLI Help 28

Understanding Command Descriptions 29

2 CONFIGURING AAA FOR ADMINISTRATIVE AND LOCAL ACCESS

Overview 31

Before You Start 34

About Administrative Access 35

Access Modes 35

Types of Administrative Access 35

First-Time Configuration via the Console 36

Enabling an Administrator 36

Setting the WX Switch Enable Password 37

Authenticating at the Console 38

Customizing AAA with “Globs” and Groups 39

Setting User Passwords 39

Adding and Clearing Local Users for Administrative Access 40

Configuring Accounting for Administrative Users 40

Displaying the AAA Configuration 42

Saving the Configuration 42

Administrative AAA Configuration Scenarios 43

Local Authentication 43

Local Authentication for Console Users and RADIUS Authentication for

Telnet Users 44

Local Override and Backup Local Authentication 44

Authentication When RADIUS Servers Do Not Respond 45

3 CONFIGURING AND MANAGING PORTS AND VLANS

Configuring and Managing Ports 47

Setting the Port Type 47

Configuring a Port Name 54

Configuring Interface Preference on a Dual-Interface Gigabit Ethernet

Port (WX4400 only) 54

Configuring Port Operating Parameters 55

Displaying Port Information 57

Configuring Load-Sharing Port Groups 60

Configuring and Managing VLANs 63

Understanding VLANs in 3Com MSS 63

Configuring a VLAN 66

Changing Tunneling Affinity 69

Displaying VLAN Information 69

Managing the Layer 2 Forwarding Database 70

Types of Forwarding Database Entries 70

How Entries Enter the Forwarding Database 70

Displaying Forwarding Database Information 71

Adding an Entry to the Forwarding Database 72

Removing Entries from the Forwarding Database 72

Configuring the Aging Timeout Period 73

Port and VLAN Configuration Scenario 73

4 CONFIGURING AND MANAGING IP INTERFACES AND SERVICES

MTU Support 77

Configuring and Managing IP Interfaces 78

Adding an IP Interface 78

Disabling or Reenabling an IP Interface 78

Removing an IP Interface 78

Displaying IP Interface Information 78

Configuring the System IP Address 79

Designating the System IP Address 79

Displaying the System IP Address 79

Clearing the System IP Address 79

Configuring and Managing IP Routes 79

Displaying IP Routes 80

Adding a Static Route 82

Removing a Static Route 83

Managing the Management Services 83

Managing SSH 83

Managing Telnet 87

Managing HTTPS 89

Configuring and Managing DNS 90

Enabling or Disabling the DNS Client 90

Configuring DNS Servers 90

Configuring a Default Domain Name 91

Displaying DNS Server Information 91

Configuring and Managing Aliases 92

Adding an Alias 92

Removing an Alias 92

Displaying Aliases 92

Configuring and Managing Time Parameters 93

Setting the Time Zone 93

Configuring the Summertime Period 94

Statically Configuring the System Time and Date 95

Displaying the Time and Date 96

Configuring and Managing NTP 96

Adding an NTP Server 97

Removing an NTP Server 97

Changing the NTP Update Interval 97

Resetting the Update Interval to the Default 97

Enabling the NTP Client 97

Displaying NTP Information 97

Managing the ARP Table 98

Displaying ARP Table Entries 98

Adding an ARP Entry 99

Changing the Aging Timeout 99

Pinging Another Device 100

Logging In to a Remote Device 100

Tracing a Route 101

IP Interfaces and Services Configuration Scenario 103

5 CONFIGURING AND MANAGING MOBILITY DOMAIN ROAMING

About the Mobility Domain Feature 107

Configuring a Mobility Domain 108

Configuring the Seed 108

Configuring Member WX Switches on the Seed 109

Configuring a Member 109

Displaying Mobility Domain Status 109

Displaying the Mobility Domain Configuration 110

Clearing a Mobility Domain from a WX Switch 110

Clearing a Mobility Domain Member from a Seed 110

Monitoring the VLANs and Tunnels in a Mobility Domain 111

Displaying Roaming Stations 111

Displaying Roaming VLANs and Their Affinities 112

Displaying Tunnel Information 112

Understanding the Sessions of Roaming Users 113

Requirements for Roaming to Succeed 113

Effects of Timers on Roaming 114

Monitoring Roaming Sessions 114

Mobility Domain Scenario 115

6 CONFIGURING MAP ACCESS POINTS

MAP Overview 117

Country of Operation 119

Directly Connected MAPs and Distributed MAPs 119

Service Profiles 129

Radio Profiles 133

Configuring MAP Access Points 136

Specifying the Country of Operation 136

Configuring MAP Port Parameters 139

Configuring a Service Profile 145

Configuring a Radio Profile 147

Configuring Radio-Specific Parameters 154

Mapping the Radio Profile to Service Profiles 157

Assigning a Radio Profile and Enabling Radios 157

Disabling or Reenabling Radios 157

Enabling or Disabling Individual Radios 157

Disabling or Reenabling All Radios Using a Profile 158

Resetting a Radio to its Factory Default Settings 158

Restarting a MAP 159

Displaying MAP Information 159

Displaying MAP Configuration Information 159

Displaying a List of Distributed MAPs 160

Displaying a List of Distributed MAPs that Are Not Configured 161

Displaying Connection Information for Distributed MAPs 161

Displaying Service Profile Information 161

Displaying Radio Profile Information 162

Displaying MAP Status Information 162

Displaying MAP Statistics Counters 163

7 CONFIGURING USER ENCRYPTION

Overview 165

Configuring WPA 168

WPA Cipher Suites 168

TKIP Countermeasures 171

WPA Authentication Methods 172

WPA Information Element 172

Client Support 173

Configuring WPA 174

Configuring WPA2 179

Creating a Service Profile for RSN 179

Enabling RSN 179

Specifying the RSN Cipher Suites 180

Changing the TKIP Countermeasures Timer Value 181

Enabling PSK Authentication 181

Displaying RSN Settings 181

Assigning the Service Profile to Radios and Enabling the Radios 181

Configuring WEP 182

Setting Static WEP Key Values 183

Assigning Static WEP Keys 184

Encryption Configuration Scenarios 185

Enabling WPA with TKIP 185

Enabling Dynamic WEP in a WPA Network 187

Configuring Encryption for MAC Clients 189

8 CONFIGURING RF AUTO-TUNING

Overview 193

Initial Channel and Power Assignment 193

Channel and Power Tuning 194

RF Auto-Tuning Parameters 197

Changing RF Auto-Tuning Settings 198

Changing Channel Tuning Settings 198

Changing Power Tuning Settings 199

Changing the Minimum Transmit Data Rate 201

Displaying RF Auto-Tuning Information 201

Displaying RF Auto-Tuning Settings 201

Displaying RF Neighbors 203

Displaying RF Attributes 203

9 CONFIGURING AND MANAGING SPANNING TREE PROTOCOL

Overview 205

Enabling the Spanning Tree Protocol 206

Changing Standard Spanning Tree Parameters 206

Bridge Priority 206

Port Cost 207

Port Priority 207

Changing the Bridge Priority 207

Changing STP Port Parameters 208

Changing Spanning Tree Timers 210

Configuring and Managing STP Fast Convergence Features 211

Configuring Port Fast Convergence 212

Displaying Port Fast Convergence Information 213

Configuring Backbone Fast Convergence 213

Displaying the Backbone Fast Convergence State 213

Configuring Uplink Fast Convergence 214

Displaying Uplink Fast Convergence Information 214

Displaying Spanning Tree Information 214

Displaying STP Bridge and Port Information 214

Displaying the STP Port Cost on a VLAN Basis 215

Displaying Blocked STP Ports 216

Displaying Spanning Tree Statistics 216

Clearing STP Statistics 218

Spanning Tree Configuration Scenario 219

10 CONFIGURING AND MANAGING IGMP SNOOPING

Overview 223

Disabling or Reenabling IGMP Snooping 223

Disabling or Reenabling Proxy Reporting 223

Enabling the Pseudo-Querier 224

Changing IGMP Timers 224

Changing the Query Interval 225

Changing the Other-Querier-

Present Interval 225

Changing the Query Response Interval 225

Changing the Last Member Query Interval 225

Changing Robustness 225

Enabling Router Solicitation 226

Changing the Router Solicitation Interval 226

Configuring Static Multicast Ports 226

Adding or Removing a Static Multicast Router Port 226

Adding or Removing a Static Multicast Receiver Port 227

Displaying Multicast Information 227

Displaying Multicast Configuration Information and Statistics 227

Displaying Multicast Queriers 229

Displaying Multicast Routers 229

Displaying Multicast Receivers 229

11 CONFIGURING AND MANAGING SECURITY ACLS

About Security Access Control Lists 231

Overview of Security ACL Commands 231

Security ACL Filters 232

Creating and Committing a Security ACL 233

Setting a Source IP ACL 233

Setting an ICMP ACL 236

Setting TCP and UDP ACLs 238

Determining the ACE Order 239

Committing a Security ACL 240

Viewing Security ACL Information 240

Clearing Security ACLs 242

Mapping Security ACLs 242

Mapping User-Based Security ACLs 242

Mapping Security ACLs to Ports, VLANs, Virtual Ports, or Distributed

MAPs 244

Modifying a Security ACL 246

Adding Another ACE to a Security ACL 247

Placing One ACE before Another 247

Modifying an Existing Security ACL 248

Clearing Security ACLs from the Edit Buffer 249

Enabling Prioritization for Voice over IP 250

Enabling Prioritization for SpectraLink Phones 251

Security ACL Configuration Scenario 252

12 MANAGING KEYS AND CERTIFICATES

Why Use Keys and Certificates? 255

Wireless Security through TLS 255

PEAP-MS-CHAP-V2 Security 256

About Keys and Certificates 256

Public Key Infrastructures 257

Public and Private Keys 258

Digital Certificates 258

PKCS #7, PKCS #10, and PKCS #12 Object Files 258

Creating Keys and Certificates 260

Choosing the Appropriate Certificate Installation Method for Your

Network 260

Creating Public-Private Key Pairs 262

Generating Self-Signed Certificates 262

Installing a Key Pair and Certificate from a PKCS #12 Object File 263

Creating a CSR and Installing a Certificate from a PKCS #7 Object

File 264

Installing a CA’s Own Certificate 265

Displaying Certificate and Key Information 266

Key and Certificate Configuration Scenarios 267

Creating Self-Signed Certificates 267

Installing CA-Signed Certificates from PKCS #12 Object Files 270

Installing CA-Signed Certificates Using a PKCS #10 Object File (CSR) and a

PKCS #7 Object File 272

13 CONFIGURING AAA FOR NETWORK USERS

About AAA for Network Users 277

Authentication 277

Authorization 282

Accounting 284

Summary of AAA Features 284

AAA Tools for Network Users 285

“Globs” and Groups for Network User Classification 285

AAA Methods for IEEE 802.1X and Web Network Access 286

IEEE 802.1X Extensible Authentication Protocol Types 289

Ways a WX Switch Can Use EAP 290

Effects of Authentication Type on Encryption Method 291

Configuring 802.1X Authentication 292

Configuring EAP Offload 293

Using Pass-Through 293

Authenticating via a Local Database 293

Binding User Authentication to Machine Authentication 294

Configuring Authentication and Authorization by MAC Address 298

Adding and Clearing MAC Users and User Groups Locally 299

Configuring MAC Authentication and Authorization 300

Changing the MAC Authorization Password for RADIUS 301

Configuring WebAAA 302

WebAAA Process 303

WebAAA Requirements and Recommendations 304

Configuring WebAAA and Authorization 306

Using a Custom Login Page 307

Using Dynamic Fields in WebAAA Redirect URLs 310

Configuring Last-Resort Access 312

Assigning Authorization Attributes 313

Assigning Attributes to Users and Groups 318

Assigning a Security ACL to a User or a Group 319

Clearing a Security ACL from a User or Group 320

Assigning Encryption Types to Wireless Users 321

Overriding or Adding Attributes Locally with a Location Policy 323

About the Location Policy 323

How the Location Policy Differs from a Security ACL 324

Setting the Location Policy 324

Clearing Location Policy Rules and Disabling the Location Policy 326

Configuring Accounting for Wireless Network Users 327

Viewing Local Accounting Records 328

Viewing Roaming Accounting Records 328

Displaying the AAA Configuration 330

Avoiding AAA Problems in Configuration Order 331

Using the Wildcard “Any” as the SSID Name in Authentication

Rules 331

Using Authentication and Accounting Rules Together 332

Configuring a Mobility Profile 333

Network User Configuration Scenarios 335

General Use of Network User Commands 336

Enabling RADIUS Pass-Through Authentication 337

Enabling PEAP-MS-CHAP-V2 Authentication 338

Enabling PEAP-MS-CHAP-V2 Offload 339

Combining EAP Offload with Pass-Through Authentication 340

Overriding AAA-Assigned VLANs 341

14 CONFIGURING COMMUNICATION WITH RADIUS

RADIUS Overview 343

Before You Begin 345

Configuring RADIUS Servers 345

Configuring Global RADIUS Defaults 346

Setting the System IP Address as the Source Address 347

Configuring Individual RADIUS Servers 347

Deleting RADIUS Servers 348

Configuring RADIUS Server Groups 348

Creating Server Groups 349

Deleting a Server Group 351

RADIUS and Server Group Configuration Scenario 352

15 MANAGING 802.1X ON THE WX SWITCH

Managing 802.1X on Wired Authentication Ports 355

Enabling and Disabling 802.1X Globally 355

Setting 802.1X Port Control 356

Managing 802.1X Encryption Keys 357

Enabling 802.1X Key Transmission 357

Configuring 802.1X Key Transmission Time Intervals 357

Managing WEP Keys 358

Setting EAP Retransmission Attempts 359

Managing 802.1X Client Reauthentication 360

Enabling and Disabling 802.1X Reauthentication 360

Setting the Maximum Number of 802.1X Reauthentication

Attempts 360

Setting the 802.1X Reauthentication Period 361

Setting the Bonded Authentication Period 361

Managing Other Timers 362

Setting the 802.1X Quiet Period 362

Setting the 802.1X Timeout for an Authorization Server 362

Setting the 802.1X Timeout for a Client 363

Displaying 802.1X Information 363

Viewing 802.1X Clients 363

Viewing the 802.1X Configuration 364

Viewing 802.1X Statistics 365

16 MANAGING SESSIONS

About the Session Manager 367

Displaying and Clearing Administrative Sessions 367

Displaying and Clearing All Administrative Sessions 368

Displaying and Clearing an Administrative Console Session 368

Displaying and Clearing Administrative Telnet Sessions 369

Displaying and Clearing Client Telnet Sessions 369

Displaying and Clearing Network Sessions 370

Displaying Verbose Network Session Information 371

Displaying and Clearing Network Sessions by Username 371

Displaying and Clearing Network Sessions by MAC Address 372

Displaying and Clearing Network Sessions by VLAN Name 373

Displaying and Clearing Network Sessions by Session ID 374

17 ROGUE DETECTION AND COUNTERMEASURES

Overview 377

About Rogues and RF Detection 377

Mobility Domain Requirement 377

Rogue Access Points and Users 377

Ad Hoc Users 378

RF Detection Scans 378

Countermeasures 379

Enabling Countermeasures 379

Attacking Specific Rogues 379

Ignoring Friendly Third-Party Devices 381

Disabling or Reenabling Logging of Rogues 382

Enabling Rogue and Countermeasures Traps 382

Displaying RF Detection Information 383

Displaying Countermeasures Information 383

Displaying All Rogue Devices Detected in the Mobility Domain 383

Displaying all Devices Detected by an Individual Switch 384

Displaying the Devices By a Specific Radio 385

18 MANAGING SYSTEM FILES

About System Files 387

Displaying Software Version Information 387

Displaying Boot Information 389

Working with Files 389

Displaying a List of Files 389

Copying a File 391

Deleting a File 393

Creating a Subdirectory 393

Removing a Subdirectory 394

Managing Configuration Files 394

Displaying the Running Configuration 395

Saving Configuration Changes 396

Specifying the Configuration File to Use After the Next Reboot 396

Loading a Configuration File 397

Resetting to the Factory Default Configuration 397

Backing Up and Restoring the System 398

Managing Configuration Changes 400

Backup and Restore Examples 400

Upgrading the System Image 401

A TROUBLESHOOTING A WX SWITCH

Fixing Common WX Setup Problems 403

Recovering the System Password 406

Configuring and Managing the System Log 406

Log Message Components 407

Logging Destinations and Levels 407

Using Log Commands 408

Running Traces 413

Using the Trace Command 414

Displaying a Trace 415

Stopping a Trace 415

About Trace Results 415

Displaying Trace Results 416

Copying Trace Results to a Server 417

Clearing the Trace Log 417

List of Trace Areas 417

Using display Commands 418

Viewing VLAN Interfaces 418

Viewing AAA Session Statistics 419

Viewing FDB Information 420

Viewing ARP Information 420

Capturing System Information for Technical Support 421

Displaying Technical Support Information 421

Sending Information to 3Com Technical Support 421

B SUPPORTED RADIUS ATTRIBUTES

Attributes 423

Supported Standard and Extended Attributes 424

3Com Vendor-Specific Attributes 431

C MOBILITY DOMAIN TRAFFIC PORTS

Traffic Ports 433

D OBTAINING SUPPORT FOR YOUR PRODUCT

Register Your Product 435

Purchase Value-Added Services 435

Troubleshoot Online 436

Access Software Downloads 436

Telephone Technical Support and Repair 436

Contact Us 437

GLOSSARY

INDEX

COMMAND INDEX

ABOUT THIS GUIDE

This guide describes the configuration commands for the 3Com Wireless

LAN Switch WX1200 or 3Com Wireless LAN Controller WX4400.

This guide is intended for System integrators who are configuring the

WX1200 or WX4400.

If release notes are shipped with your product and the information there

differs from the information in this guide, follow the instructions in the

release notes.

Most user guides and release notes are available in Adobe Acrobat

Reader Portable Document Format (PDF) or HTML on the 3Com

World Wide Web site:

http://www.3com.com/

Conventions Table 1 and Table 2 list conventions that are used throughout this guide.

Tab le 1 Notice Icons

Icon Notice Type Description

Information note Information that describes important features or

instructions

Caution Information that alerts you to potential loss of data or

potential damage to an application, system, or device

18 ABOUT THIS GUIDE

This manual uses the following text and syntax conventions:

Documentation The MSS documentation set includes the following documents.

 Wireless LAN Switch Manager (3WXM) Release Notes

These notes provide information about the system software release,

including new features and bug fixes.

 Wireless LAN Switch and Controller Release Notes

These notes provide information about the system software release,

including new features and bug fixes.

 Wireless LAN Switch and Controller Quick Start Guide

This guide provides instructions for performing basic setup of secure

(802.1X) and guest (WebAAA™) access, for configuring a Mobility

Domain for roaming, and for accessing a sample network plan in

3WXM for advanced configuration and management.

Tab le 2 Text Conventions

Convention Description

Monospace text Sets off command syntax or sample commands and system

responses.

Bold text Highlights commands that you enter or items you select.

Italic text Designates command variables that you replace with

appropriate values, or highlights publication titles or words

requiring special emphasis.

[ ] (square brackets) Enclose optional parameters in command syntax.

{ } (curly brackets) Enclose mandatory parameters in command syntax.

| (vertical bar) Separates mutually exclusive options in command syntax.

Keyboard key names If you must press two or more keys simultaneously, the key

names are linked with a plus sign (+). Example:

Press Ctrl+Alt+Del

Words in italics Italics are used to:

 Emphasize a point.

 Denote a new term at the place where it is defined in the

text.

 Highlight an example string, such as a username or SSID.

Documentation Comments 19

 Wireless LAN Switch Manager Reference Manual

This manual shows you how to plan, configure, deploy, and manage a

Mobility System wireless LAN (WLAN) using the 3Com Wireless LAN

Switch Manager (3WXM).

 Wireless LAN Switch and Controller Installation and Basic

Configuration Guide

This guide provides instructions and specifications for installing a WX

wireless switch in a Mobility System WLAN, and basic instructions for

deploying a secure IEEE 802.11 wireless service.

 Wireless LAN Switch and Controller Configuration Guide

This guide provides instructions for configuring and managing the

system through the Mobility System Software (MSS) CLI.

 Wireless LAN Switch and Controller Command Reference

This reference provides syntax information for all MSS commands

supported on WX switches.

Documentation

Comments

Your suggestions are very important to us. They will help make our

documentation more useful to you. Please e-mail comments about this

document to 3Com at:

[email protected]

Please include the following information when contacting us:

 Document title

 Document part number and revision (on the title page)

 Page number (if appropriate)

Example:

 Wireless LAN Switch and Controller Configuration Guide

 Part number 730-9502-0071, Revision B

 Page 25

Please note that we can only respond to comments and questions about

3Com product documentation at this e-mail address. Questions related to

technical support or sales should be directed in the first instance to your

network supplier.

20 ABOUT THIS GUIDE

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