Cisco Systems XSCLCR14 Users Manual
Cisco 3200 Series Wireless MIC Software
Configuration Guide
June 2005
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Text Part Number: OL-7734-02
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Cisco 3200 Series Wireless MIC Software Configuration Guide Copyright © 2005 Cisco Systems, Inc. All rights reserved.
Preface xv
Audience xv
Purpose xv
Organization xv
Conventions xvii
Related Documentation xix
Obtaining Documentation xx
Cisco.com xx
Ordering Documentation xx
Documentation Feedback xx
Tools and Web Sites xx
Obtaining Additional Publications and Information xxi
Cisco 3200 Documentation CD xxii
System Requirements for the CD xxii
Printing Documents from the CD xxii
Obtaining Technical Assistance xxiii
Cisco TAC Website xxiii
Opening a TAC Case xxiii
TAC Case Priority Definitions xxiii
CONTENTS
CHAPTER
CHAPTER
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1 Overview 1-1
Understanding the Cisco Mobile Wireless Network 1-2
Network Configuration Descriptions 1-2
Access Point Mode 1-2
Point-to-Point Bridging 1-2
Point-to-Multipoint Bridging 1-3
Redundant Bridging 1-4
Workgroup Bridge Mode 1-4
Features 1-4
Management Options 1-7
2 Configuring the WMIC for the First Time 9
Before You Start 10
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Contents
Connecting to the WMIC 10
Using the Console Port to Access the Exec 10
Using a Telnet Session to Access the Exec 11
Opening the CLI with Secure Shell 11
Obtaining and Assigning an IP Address 12
Assigning an IP Address By Using the Exec 12
Assigning Basic Settings By Using the Web Browser 13
Default Settings on the Express Setup Page 16
Protecting Your Wireless LAN 16
Configuring Basic Security Settings 17
Understanding Express Security Settings 18
Using VLANs 18
Express Security Types 18
Express Security Limitations 19
Using the Express Security Page 20
CLI Security Configuration Examples 20
Example: No Security 20
Example: Static WEP 21
Example: EAP Authentication 22
Example: WPA 23
CHAPTER
Using the IP Setup Utility 24
Obtaining and Installing IPSU 24
Using IPSU to Find the WMIC IP Address 25
Using IPSU to Set the IP Address and SSID 26
3 Administering the WMIC 2-1
Configuring a System Name and Prompt 2-2
Configuring a System Name 2-2
Managing DNS 2-2
Default DNS Configuration 2-3
Setting Up DNS 2-3
Displaying the DNS Configuration 2-4
Creating a Banner 2-4
Default Banner Configuration 2-4
Configuring a Message-of-the-Day Login Banner 2-4
Configuring a Login Banner 2-5
Managing the System Time and Date 2-6
Understanding the System Clock 2-6
Understanding Network Time Protocol 2-6
iv
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Configuring NTP 2-9
Default NTP Configuration 2-9
Configuring NTP Authentication 2-9
Configuring NTP Associations 2-11
Configuring NTP Broadcast Service 2-12
Configuring NTP Access Restrictions 2-14
Configuring the Source IP Address for NTP Packets 2-16
Displaying the NTP Configuration 2-16
Configuring Time and Date Manually 2-17
Setting the System Clock 2-17
Displaying the Time and Date Configuration 2-17
Configuring the Time Zone 2-18
Configuring Summer Time (Daylight Saving Time) 2-19
Protecting Access to Privileged EXEC Commands 2-20
Setting or Changing a Static Enable Password 2-21
Protecting Enable and Enable Secret Passwords with Encryption 2-22
Configuring Username and Password Pairs 2-24
Configuring Multiple Privilege Levels 2-25
Setting the Privilege Level for a Command 2-25
Logging Into and Exiting a Privilege Level 2-26
Contents
Protecting the Wireless LAN 2-26
Using VLANs 2-26
Express Security Types 2-27
Security Configuration Examples 2-27
Configuring and Enabling RADIUS 2-32
Understanding RADIUS 2-32
RADIUS Operation 2-33
Controlling WMIC Access with RADIUS 2-34
Identifying the RADIUS Server Host 2-35
Configuring RADIUS Login Authentication 2-37
Defining AAA Server Groups 2-39
Configuring RADIUS Authorization for User Privileged Access and Network Services 2-40
Starting RADIUS Accounting 2-41
Configuring Settings for All RADIUS Servers 2-42
Configuring the Bridge to Use Vendor-Specific RADIUS Attributes 2-42
Configuring the Bridge for Vendor-Proprietary RADIUS Server Communication 2-43
Displaying the RADIUS Configuration 2-44
Controlling WMIC Access with TACACS+ 2-44
Understanding TACACS+ 2-45
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Contents
TACACS+ Operation 2-45
Default TACACS+ Configuration 2-46
Configuring TACACS+ Login Authentication 2-46
Identifying the TACACS+ Server Host and Setting the Authentication Key 2-47
Configuring TACACS+ Login Authentication 2-48
Configuring TACACS+ Authorization for Privileged EXEC Access and Network Services 2-49
Starting TACACS+ Accounting 2-50
Displaying the TACACS+ Configuration 2-50
Configuring the WMIC for Local Authentication and Authorization 2-51
Configuring the WMIC for Secure Shell 2-52
Understanding SSH 2-52
Configuring SSH 2-53
Managing Aironet Extensions 2-53
CHAPTER
4 Configuring Radio Settings 3-1
Disabling and Enabling the Radio Interface 3-2
Configuring the Role in Radio Network 3-2
Configuring the WMIC as an Access Point 3-3
Configuring the WMIC as a Workgroup Bridge 3-3
Configuring the WMIC as a Bridge 3-4
Configuring Radio Data Rates 3-4
Configuring Radio Transmit Power 3-6
Configuring Radio Channel Settings 3-7
IEEE 802.11g (2.4-GHz Band) 3-7
4.9-GHz Band 3-8
spacing channel User Interface Command 3-9
Enabling and Disabling World Mode (2.4-GHz Only) 3-11
Disabling and Enabling Short Radio Preambles (2.4-GHz Only) 3-11
Configuring Transmit and Receive Antennas 3-12
Configuring the Ethernet Encapsulation Transformation Method 3-13
Enabling and Disabling Concatenation (2.4-GHz Only) 3-13
vi
Configuring the Radio Distance Setting 3-14
Enabling and Disabling Reliable Multicast to Workgroup Bridges 3-14
Enabling and Disabling Public Secure Packet Forwarding 3-15
Configuring Protected Ports 3-16
Configuring the Beacon Period 3-17
Configure RTS Threshold and Retries 3-17
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Configuring the Maximum Data Retries 3-18
Configuring the Fragmentation Threshold 3-18
Setting the Root Parent Timeout Value 3-19
Configuring the Root Parent MAC 3-19
Performing a Carrier Busy Test 3-20
Contents
CHAPTER
CHAPTER
5 Configuring SSIDs 3-1
Understanding SSIDs 3-2
Configuring the SSID 3-2
Default SSID Configuration 3-2
Creating an SSID 3-3
6 Configuring Spanning Tree Protocol 5-1
Understanding Spanning Tree Protocol 5-2
STP Overview 5-2
Bridge Interoperability 5-3
Bridge Protocol Data Units 5-3
Election of the Spanning-Tree Root 5-4
Spanning-Tree Timers 5-5
Creating the Spanning-Tree Topology 5-5
Spanning-Tree Interface States 5-6
Blocking State 5-7
Listening State 5-7
Learning State 5-8
Forwarding State 5-8
Disabled State 5-8
CHAPTER
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Configuring STP Features 5-9
Default STP Configuration 5-9
Configuring STP Settings 5-9
STP Configuration Examples 5-10
Root Bridge Without VLANs 5-10
Non-Root Bridge Without VLANs 5-11
Root Bridge with VLANs 5-12
Non-Root Bridge with VLANs 5-13
Displaying Spanning-Tree Status 5-15
7 Configuring WEP and WEP Features 6-1
Understanding WEP 6-2
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Contents
Configuring Cipher Suites and WEP 6-3
Creating WEP Keys 6-3
WEP Key Restrictions 6-4
Example WEP Key Setup 6-4
Enabling Cipher Suites and WEP 6-5
Matching Cipher Suites with WPA 6-6
CHAPTER
CHAPTER
8 Configuring Authentication Types 7-1
Understanding Authentication Types 7-2
Open Authentication to the WMIC 7-2
Shared Key Authentication to the Bridge 7-2
EAP Authentication to the Network 7-3
Using CCKM for Authenticated Bridges 7-5
Using WPA Key Management 7-5
Configuring Authentication Types 7-5
Default Authentication Settings 7-6
Assigning Authentication Types to an SSID 7-6
Configuring the Root Bridge to Interact with the WDS Device 7-8
Configuring Additional WPA Settings 7-9
Configuring Authentication Holdoffs, Timeouts, and Intervals 7-10
Setting Up a Non-Root Bridge as a LEAP Client 7-10
Matching Authentication Types on Root and Non-Root Bridges 7-11
LEAP Example Configurations 7-12
9 Configuring WDS, Fast Secure Roaming, and Radio Management 8-1
viii
Understanding WDS 8-2
Role of the WDS Access Point 8-2
Role of Access Points Using the WDS Access Point 8-2
Understanding Fast Secure Roaming 8-3
Understanding Radio Management 8-4
Configuring WDS and Fast Secure Roaming 8-5
Guidelines for WDS 8-5
Requirements for WDS and Fast Secure Roaming 8-5
Configuring the WMIC to use the WDS Access Point 8-5
Configuring the Authentication Server to Support Fast Secure Roaming 8-6
CLI Commands to Enable the WDS Server 8-9
CLI Commands to Enable the Root Device 8-10
dot11 interface speed Command 8-11
Viewing WDS Information 8-12
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Using Debug Messages 8-13
Contents
CHAPTER
CHAPTER
10 Configuring VLANs 9-1
Understanding VLANs 9-2
Related Documents 9-3
Incorporating Wireless Bridges into VLANs 9-4
Configuring VLANs 9-4
Configuring a VLAN 9-4
Viewing VLANs Configured on the WMIC 9-7
11 Configuring QoS in a Wireless Environment 10-1
Understanding QoS for Wireless LANs 10-2
QoS for Wireless LANs Versus QoS on Wired LANs 10-2
Impact of QoS on a Wireless LAN 10-2
Precedence of QoS Settings 10-3
Configuring QoS 10-3
Configuration Guidelines 10-4
Configuring QoS Using the Web-Browser Interface 10-4
Adjusting Radio Access Category Definitions 10-7
CW-min and CW-max Settings for Point-to-Point and Point-to-Multipoint Bridge Links 10-8
CHAPTER
QoS Configuration Examples 10-9
Giving Priority to Voice Traffic 10-9
Giving Priority to Video Traffic 10-10
QoS Example Configuration for VLAN 10-11
QoS Example of IP DSCP and IP Precedence 10-12
12 Configuring Filters 11-1
Understanding Filters 11-2
Configuring Filters Using the CLI 11-2
Configuring Filters Using the Web-Browser Interface 11-2
Configuring and Enabling MAC Address Filters 11-3
Creating a MAC Address Filter 11-4
Configuring and Enabling IP Filters 11-5
Creating an IP Filter 11-6
Configuring and Enabling Ethertype Filters 11-7
Creating an Ethertype Filter 11-8
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Contents
CHAPTER
CHAPTER
13 Configuring CDP 12-1
Understanding CDP 12-2
Configuring CDP 12-2
Default CDP Configuration 12-2
Configuring the CDP Characteristics 12-3
Disabling and Enabling CDP 12-3
Disabling and Enabling CDP on an Interface 12-4
Monitoring and Maintaining CDP 12-5
14 Configuring SNMP 13-1
Understanding SNMP 13-2
SNMP Versions 13-2
SNMP Manager Functions 13-3
SNMP Agent Functions 13-3
SNMP Community Strings 13-4
Using SNMP to Access MIB Variables 13-4
Configuring SNMP 13-5
Default SNMP Configuration 13-5
Enabling the SNMP Agent 13-5
Configuring Community Strings 13-5
Configuring Trap Managers and Enabling Traps 13-7
Setting the Agent Contact and Location Information 13-10
Using the snmp-server view Command 13-10
SNMP Examples 13-10
CHAPTER
x
Displaying SNMP Status 13-11
15 Managing Firmware and Configurations 14-1
Working with the Flash File System 14-2
Displaying Available File Systems 14-2
Setting the Default File System 14-3
Displaying Information About Files on a File System 14-3
Changing Directories and Displaying the Working Directory 14-4
Creating and Removing Directories 14-4
Copying Files 14-5
Deleting Files 14-5
Creating, Displaying, and Extracting tar Files 14-6
Creating a tar File 14-6
Displaying the Contents of a tar File 14-7
Extracting a tar File 14-7
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Displaying the Contents of a File 14-8
Working with Configuration Files 14-8
Guidelines for Creating and Using Configuration Files 14-9
Configuration File Types and Location 14-9
Creating a Configuration File by Using a Text Editor 14-10
Copying Configuration Files by Using TFTP 14-10
Preparing to Download or Upload a Configuration File by Using TFTP 14-10
Downloading the Configuration File by Using TFTP 14-11
Uploading the Configuration File by Using TFTP 14-11
Copying Configuration Files by Using FTP 14-12
Preparing to Download or Upload a Configuration File by Using FTP 14-13
Downloading a Configuration File by Using FTP 14-13
Uploading a Configuration File by Using FTP 14-14
Copying Configuration Files by Using RCP 14-15
Preparing to Download or Upload a Configuration File by Using RCP 14-16
Downloading a Configuration File by Using RCP 14-16
Uploading a Configuration File by Using RCP 14-17
Clearing Configuration Information 14-18
Deleting a Stored Configuration File 14-18
Contents
Working with Software Images 14-19
Image Location on the WMIC 14-19
tar File Format of Images on a Server or Cisco.com 14-19
Copying Image Files by Using TFTP 14-20
Preparing to Download or Upload an Image File by Using TFTP 14-20
Downloading an Image File by Using TFTP 14-21
Uploading an Image File by Using TFTP 14-22
Copying Image Files by Using FTP 14-23
Preparing to Download or Upload an Image File by Using FTP 14-23
Downloading an Image File by Using FTP 14-24
Uploading an Image File by Using FTP 14-26
Copying Image Files by Using RCP 14-27
Preparing to Download or Upload an Image File by Using RCP 14-27
Downloading an Image File by Using RCP 14-29
Uploading an Image File by Using RCP 14-31
Reloading the Image Using the Web Browser Interface 14-32
Browser HTTP Interface 14-32
Browser TFTP Interface 14-32
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Contents
CHAPTER
CHAPTER
16 Configuring System Message Logging 15-1
Understanding System Message Logging 15-2
Configuring System Message Logging 15-2
System Log Message Format 15-2
Default System Message Logging Configuration 15-4
Disabling and Enabling Message Logging 15-4
Setting the Message Display Destination Device 15-5
Enabling and Disabling Timestamps on Log Messages 15-6
Enabling and Disabling Sequence Numbers in Log Messages 15-6
Defining the Message Severity Level 15-7
Limiting Syslog Messages Sent to the History Table and to SNMP 15-8
Setting a Logging Rate Limit 15-9
Configuring UNIX Syslog Servers 15-10
Logging Messages to a UNIX Syslog Daemon 15-10
Configuring the UNIX System Logging Facility 15-10
Displaying the Logging Configuration 15-12
17 Wireless Device Troubleshooting 16-1
APPENDIX
Checking the LED Indicators 16-2
Checking Basic Settings 16-3
SSID 16-3
WEP Keys 16-3
Security Settings 16-3
Resetting to the Default Configuration 16-4
Using the Web Browser Interface 16-4
Using the CLI 16-5
Reloading the Image 16-6
Using the Web Browser Interface 16-6
Browser HTTP Interface 16-6
Browser TFTP Interface 16-7
Using the CLI 16-7
Obtaining the Image File 16-9
Obtaining TFTP Server Software 16-9
Reloading the Bootloader Image 16-10
A Connecting to the Cisco 3200 Series Router and Using the Command-Line Interface A-1
xii
Before You Start A-2
Resetting the WMIC to the Default Settings A-2
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Assigning an IP Address A-3
IOS Command Modes A-4
Getting Help A-5
Abbreviating Commands A-5
Using no and default Forms of Commands A-6
Understanding CLI Messages A-6
Using Command History A-6
Changing the Command History Buffer Size A-7
Recalling Commands A-7
Disabling the Command History Feature A-7
Using Editing Features A-8
Enabling and Disabling Editing Features A-8
Editing Commands Through Keystrokes A-8
Editing Command Lines that Wrap A-9
Contents
APPENDIX
APPENDIX
APPENDIX
APPENDIX
Searching and Filtering the Output of show and more Commands A-10
B Channels and Antenna Settings B-1
Channels B-2
IEEE 802.11g (2.4-GHz Band) B-2
4.9-GHz Band B-3
Maximum Power Levels and Antenna Gains B-4
IEEE 802.11g (2.4-GHz Band) B-4
C Protocol Filters C-1
D Supported MIBs D-1
MIB List D-1
Using FTP to Access the MIB Files D-2
E Error and Event Messages E-1
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Audience
Purpose
Preface
This guide is for the networking professional who installs and manages Cisco 3200 Series Mobile
Access Routers. To use this guide, you should have experience working with the Cisco IOS and be
familiar with the concepts and terminology of wireless local area networks.
This guide provides the information you need to install and configure your bridge. This guide provides
procedures for using the IOS commands that have been created or changed for use with the WMIC. It
does not provide detailed information about these commands. For detailed information about these
commands, refer to the IOS documentation set available from the Cisco.com home page at Service and
Support > Technical Documents. On the Cisco Product Documentation home page, select Release 12.3
from the Cisco IOS Software drop-down list.
This guide includes an overview of the web-based interface, which contains all the funtionality of the
command-line interface (CLI). This guide does not provide field-level descriptions of the web-based
windows nor does it provide the procedures for configuring the WMIC from the web-based interface.
For all window descriptions and procedures, refer to the online help, which is available from the Help
buttons on the web-based interface pages.
Organization
This guide is organized into these chapters:
Chapter 1, “Overview,” lists the software and hardware features of the WMIC and describes the WMIC’s
role in your network.
Chapter 2, “Configuring the WMIC for the First Time,” describes how to configure basic settings on a
Wireless Mobile Interface Card (WMIC) for the first time.
Chapter 3, “Administering the WMIC,” describes how to perform one-time operations to administer your
WMIC, such as preventing unauthorized access to the device, setting the system date and time, and
setting the system name and prompt.
Chapter 4, “Configuring Radio Settings,” describes how to configure settings for the WMIC radio such
as the role in the radio network, data rates, transmit power, channel settings, and others.
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Organization
Preface
Chapter 5, “Configuring SSIDs,” describes how to configure and manage multiple service set identifiers
(SSIDs). You can configure up to 16 SSIDs and assign different configuration settings to each SSID.
Chapter 6, “Configuring Spanning Tree Protocol,” descibes how to configure Spanning Tree Protocol
(STP). STP prevents data loops in your network.
Chapter 7, “Configuring WEP and WEP Features,” describes how to configure the cipher suites required
to use authenticated key management, Wired Equivalent Privacy (WEP), and WEP features including
MIC, CMIC, TKIP, CKIP, and broadcast key rotation.
Chapter 8, “Configuring Authentication Types,” describes how to configure authentication types. Client
devices use these authentication methods to join your network.
Chapter 9, “Configuring WDS, Fast Secure Roaming, and Radio Management,” describes Wireless
Domain Services (WDS), fast secure roaming, and radio management features. The chapter also
provides instructions for configuring the WMIC to register with a WDS access point.
Chapter 10, “Configuring VLANs,” describes how to configure your WMIC to interoperate with the
VLANs set up on your wired LAN.
Chapter 11, “Configuring QoS in a Wireless Environment,” describes how to configure quality of service
(QoS) on your WMIC. With this feature, you can provide preferential treatment to certain traffic at the
expense of others.
Chapter 12, “Configuring Filters,” describes how to configure and manage MAC address, IP, and
Ethertype filters on the WMICWMIC by using the web-browser interface.
Chapter 13, “Configuring CDP,” describes how to configure Cisco Discovery Protocol (CDP) on your
WMIC. CDP is a device-discovery protocol that runs on all Cisco network equipment.
Chapter 14, “Configuring SNMP,” describes how to configure the Simple Network Management
Protocol (SNMP) on your WMIC.
Chapter 15, “Managing Firmware and Configurations,” describes how to manipulate the Flash file
system, how to copy configuration files, and how to archive (upload and download) software images.
Chapter 16, “Configuring System Message Logging,” describes how to configure system message
logging on your WMIC.
Chapter 17, “Wireless Device Troubleshooting,” describes basic troubleshooting procedures.
Appendix A, “Connecting to the Cisco 3200 Series Router and Using the Command-Line Interface,”
describes how to use the command-line interface (CLI) to configure the WMIC.
Appendix B, “Channels and Antenna Settings,” lists the WMIC radio channels and the maximum power
levels supported by the world’s regulatory domains.
Appendix C, “Protocol Filters,” lists some of the protocols that you can filter on the WMIC.
Appendix D, “MIB List,” lists the Simple Network Management Protocol (SNMP) Management
Information Bases (MIBs) that the WMIC supports.
Appendix E, “Error and Event Messages,” lists the CLI error and event messages and provides an
explanation and recommended action for each message.
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Preface
Conventions
This publication uses these conventions to convey instructions and information:
Command descriptions use these conventions:
Interactive examples use these conventions:
Notes, cautions, and timesavers use these conventions and symbols:
Conventions
• Commands and keywords are in boldface text.
• Arguments for which you supply values are in italic.
• Square brackets ([ ]) mean optional elements.
• Braces ({ }) group required choices, and vertical bars ( | ) separate the alternative elements.
• Braces and vertical bars within square brackets ([{ | }]) mean a required choice within an optional
element.
• Terminal sessions and system displays are in screen font.
• Information you enter is in boldface screen font.
• Non printing characters, such as passwords or tabs, are in angle brackets (< >).
Tip Means the following will help you solve a problem. The tips information might not be troubleshooting
Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in
Caution Means reader be careful. In this situation, you might do something that could result equipment damage
Warning
Waarschuwing
or even an action, but could be useful information.
this manual.
or loss of data.
This warning symbol means danger. You are in a situation that could cause bodily injury. Before you
work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar
with standard practices for preventing accidents. (To see translations of the warnings that appear
in this publication, refer to the appendix “Translated Safety Warnings.”)
Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan
veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij
elektrische schakelingen betrokken risico’s en dient u op de hoogte te zijn van standaard
maatregelen om ongelukken te voorkomen. (Voor vertalingen van de waarschuwingen die in deze
publicatie verschijnen, kunt u het aanhangsel “Translated Safety Warnings” (Vertalingen van
veiligheidsvoorschriften) raadplegen.)
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Conventions
Preface
Varoitus
Attention
Warnung
Avvertenza
Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa ruumiinvammaan. Ennen
kuin työskentelet minkään laitteiston parissa, ota selvää sähkökytkentöihin liittyvistä vaaroista ja
tavanomaisista onnettomuuksien ehkäisykeinoista. (Tässä julkaisussa esiintyvien varoitusten
käännökset löydät liitteestä "Translated Safety Warnings" (käännetyt turvallisuutta koskevat
varoitukset).)
Ce symbole d’avertissement indique un danger. Vous vous trouvez dans une situation pouvant
entraîner des blessures. Avant d’accéder à cet équipement, soyez conscient des dangers posés par
les circuits électriques et familiarisez-vous avec les procédures courantes de prévention des
accidents. Pour obtenir les traductions des mises en garde figurant dans cette publication, veuillez
consulter l’annexe intitulée « Translated Safety Warnings » (Traduction des avis de sécurité).
Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu einer
Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen, seien Sie
sich der mit elektrischen Stromkreisen verbundenen Gefahren und der Standardpraktiken zur
Vermeidung von Unfällen bewußt. (Übersetzungen der in dieser Veröffentlichung enthaltenen
Warnhinweise finden Sie im Anhang mit dem Titel “Translated Safety Warnings” (Übersetzung der
Warnhinweise).)
Questo simbolo di avvertenza indica un pericolo. Si è in una situazione che può causare infortuni.
Prima di lavorare su qualsiasi apparecchiatura, occorre conoscere i pericoli relativi ai circuiti
elettrici ed essere al corrente delle pratiche standard per la prevenzione di incidenti. La traduzione
delle avvertenze riportate in questa pubblicazione si trova nell’appendice, “Translated Safety
Warnings” (Traduzione delle avvertenze di sicurezza).
Advarsel
Aviso
¡Advertencia!
Varning!
Dette varselsymbolet betyr fare. Du befinner deg i en situasjon som kan føre til personskade. Før du
utfører arbeid på utstyr, må du være oppmerksom på de faremomentene som elektriske kretser
innebærer, samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker. (Hvis du vil se
oversettelser av de advarslene som finnes i denne publikasjonen, kan du se i vedlegget "Translated
Safety Warnings" [Oversatte sikkerhetsadvarsler].)
Este símbolo de aviso indica perigo. Encontra-se numa situação que lhe poderá causar danos
fisicos. Antes de começar a trabalhar com qualquer equipamento, familiarize-se com os perigos
relacionados com circuitos eléctricos, e com quaisquer práticas comuns que possam prevenir
possíveis acidentes. (Para ver as traduções dos avisos que constam desta publicação, consulte o
apêndice “Translated Safety Warnings” - “Traduções dos Avisos de Segurança”).
Este símbolo de aviso significa peligro. Existe riesgo para su integridad física. Antes de manipular
cualquier equipo, considerar los riesgos que entraña la corriente eléctrica y familiarizarse con los
procedimientos estándar de prevención de accidentes. (Para ver traducciones de las advertencias
que aparecen en esta publicación, consultar el apéndice titulado “Translated Safety Warnings.”)
Denna varningssymbol signalerar fara. Du befinner dig i en situation som kan leda till personskada.
Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och
känna till vanligt förfarande för att förebygga skador. (Se förklaringar av de varningar som
förekommer i denna publikation i appendix "Translated Safety Warnings" [Översatta
säkerhetsvarningar].)
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Preface
Related Documentation
You can access these documents on the Documentation page on Cisco Connection Online (CCO) at
www.cisco.com. The following documentation is available at the
http://www.cisco.com/en/US/products/hw/routers/ps272/tsd_products_support_series_home.html
URL:
• Release Notes for the Cisco 3200 Series Mobile Access Routers—Provides information on accessing
documentation and technical assistance for the Cisco 3200 Series Mobile Access Router.
• Cisco IOS Command Reference for Cisco Access Points and Bridges
commands for the radio ports provided on the Wireless Mobile Interface Card (WMIC).
• Cisco 3200 Series Wireless MIC Software Configuration Guide
IOS commands to configure the Wireless Mobile Interface Card (WMIC).
• Configuration Guide for the Cisco 3200 Series Mobile Access Router
using the IOS commands to configure assembled Cisco 3200 Series routers.
• Cisco 3200 Series Mobile Access Router Hardware Reference
descriptions of the Cisco MIC I/O cards found in Cisco 3200 Series routers.
• Cisco 3200 Series Mobile Access Router Reference Sell Document
sell program and components for the Cisco 3200 Series router.
The Release Notes for the Cisco 3250 Mobile Router lists the enhancements to and caveats for Cisco IOS
releases as they relate to the Cisco 3200 Series router can be found at:
http://www.cisco.com/en/US/products/sw/iosswrel/products_ios_cisco_ios_software_releases.html or
Related Documentation
1
—New and revised Cisco IOS
1
—Example procedures for using the
1
—Example procedures for
1
—This document. It provides
1
—An overview of the reference
http://www.cisco.com/en/US/products/sw/iosswrel/ps5012/ps4629/index.html
1.
Also available on the platform-specific CD-ROM.
This feature adds support for RFC 2006 Set operations and security violation traps. For specifications,
see RFC 2006, The Definitions of Managed Objects for IP Mobility Support Using SMIv2.
For information about using Cisco IOS software to configure SNMP, refer to the following documents:
• The “Configuring SNMP Support” chapter of the Cisco IOS Configuration Fundamentals
Configuration Guide, Release 12.2
• The “SNMP Commands” chapter of the Cisco IOS Configuration Fundamentals Command
Reference, Release 12.2
For information about using Cisco IOS software to configure SNMP MIB features, refer to the
appropriate documentation for your network management system.
For information on configuring Mobile IP using Cisco IOS software, refer to the following documents:
• The “Configuring Mobile IP” chapter of the Cisco IOS IP Configuration Guide, Release 12.2
• The “Mobile IP Commands” chapter of the Cisco IOS IP Command Reference, Volume 1 of 3:
Addressing and Services, Release 12.2
Related documents from the Cisco TAC Web pages include:
• Antenna Cabling (http://www.cisco.com/warp/public/102/wlan/antcable.html)
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Cisco 3200 Series Wireless MIC Software Configuration Guide
xix
Related Documentation
Obtaining Documentation
Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several
ways to obtain technical assistance and other technical resources. These sections explain how to obtain
technical information from Cisco Systems.
Cisco.com
You can access the Cisco website at this URL:
http://www.cisco.com
You can access international Cisco websites at this URL:
http://www.cisco.com/public/countries_languages.shtml
Ordering Documentation
You can order Cisco documentation in these ways:
• Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from
the Ordering tool:
Preface
http://www.cisco.com/en/US/partner/ordering/index.shtml
• Nonregistered Cisco.com users can order documentation through a local account representative by
calling Cisco Systems Corporate Headquarters (California, USA) at 408 526-7208 or, elsewhere in
North America, by calling 1 800 553-NETS (6387).
Documentation Feedback
You can send comments about technical documentation to bug-doc@cisco.com.
You can submit comments by using the response card (if present) behind the front cover of your
document or by writing to the following address:
Cisco Systems
Attn: Customer Document Ordering
170 West Tasman Drive
San Jose, CA 95134-9883
We appreciate your comments.
Tools and Web Sites
If you are registered Cisco Direct Customer, you can access the following web sites:
IOS Command Lookup—A search engine dedicated to finding information on Cisco IOS commands in
the Cisco IOS Command Reference, Cisco IOS Configuration Guide, Catalyst Command Reference, and
PIX Firewall Command Reference.
http://www.cisco.com/cgi-bin/Support/Cmdlookup/home.pl
Bug Toolkit—Searches for known bugs based on software version, feature set and keywords. The
resulting matrix shows when each bug was integrated, or fixed if applicable.
xx
http://www.cisco.com/cgi-bin/Support/Bugtool/launch_bugtool.pl
Cisco 3200 Series Wireless MIC Software Configuration Guide
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Preface
Feature Navigator—Locates the Cisco IOS Software release based on the features you want to run on
your network.
http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp
Obtain information on compatibility between hardware products and software releases at the following
public URL:
http://tools.cisco.com/Support/Fusion/FusionHome.do
Obtaining Additional Publications and Information
Information about Cisco products, technologies, and network solutions is available from various online
and printed sources.
• Cisco Marketplace provides a variety of Cisco books, reference guides, and logo merchandise. Visit
Cisco Marketplace, the company store, at this URL:
http://www.cisco.com/go/marketplace/
• The Cisco Product Catalog describes the networking products offered by Cisco Systems, as well as
ordering and customer support services. Access the Cisco Product Catalog at this URL:
http://cisco.com/univercd/cc/td/doc/pcat/
Related Documentation
• Cisco Press publishes a wide range of general networking, training and certification titles. Both new
and experienced users will benefit from these publications. For current Cisco Press titles and other
information, go to Cisco Press at this URL:
http://www.ciscopress.com
• Pack et magazine is the Cisco Systems technical user magazine for maximizing Internet and
networking investments. Each quarter, Packet delivers coverage of the latest industry trends,
technology breakthroughs, and Cisco products and solutions, as well as network deployment and
troubleshooting tips, configuration examples, customer case studies, certification and training
information, and links to scores of in-depth online resources. You can access Packet magazine at
this URL:
http://www.cisco.com/packet
• iQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies
learn how they can use technology to increase revenue, streamline their business, and expand
services. The publication identifies the challenges facing these companies and the technologies to
help solve them, using real-world case studies and business strategies to help readers make sound
technology investment decisions. You can access iQ Magazine at this URL:
http://www.cisco.com/go/iqmagazine
• Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering
professionals involved in designing, developing, and operating public and private internets and
intranets. You can access the Internet Protocol Journal at this URL:
http://www.cisco.com/ipj
OL-7734-02
• World-class networking training is available from Cisco. You can view current offerings at
this URL:
http://www.cisco.com/en/US/learning/index.html
Cisco 3200 Series Wireless MIC Software Configuration Guide
xxi
Cisco 3200 Documentation CD
Cisco 3200 Documentation CD
The Cisco 3200 Series Router Documentation CD contains the technical publications for the
Cisco 3200 Series Mobile Access Router. To view the documentation requires Acrobat Reader 4.0 or
higher.
After the CD is inserted in the CD ROM drive and recognized by your PC, do the following:
Step 1 Access the root directory CD drive.
Step 2 Double click the StartHere.htm file.
System Requirements for the CD
Processor Pentium 150 MHz or faster recommended
PC Operating System Microsoft Windows 95
Microsoft Windows 98
Microsoft Windows ME
Microsoft Windows XP
Microsoft Windows NT 4.0
Microsoft Windows 2000
Memory 64-MB DRAM
Drives 4x CD-ROM drive
Monitor Color monitor capable of 800 x 600 pixel
resolution
Software Adobe Acrobat Reader 4.0 or later
Preface
Printing Documents from the CD
To print a document:
Step 1 Display the document in Acrobat.
Step 2 Click the Printer icon on the Acrobat toolbar.
The Windows Print Dialog box appears.
Step 3 Select your default printer, and click OK.
Cisco 3200 Series Wireless MIC Software Configuration Guide
xxii
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Preface
Obtaining Technical Assistance
For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, the Cisco
Technical Assistance Center (TAC) provides 24-hour-a-day, award-winning technical support services,
online and over the phone. Cisco.com features the Cisco TAC website as an online starting point for
technical assistance. If you do not hold a valid Cisco service contract, please contact your reseller.
Cisco TAC Website
The Cisco TAC website provides online documents and tools for troubleshooting and resolving technical
issues with Cisco products and technologies. The Cisco TAC website is available 24 hours a day, 365
days a year. The Cisco TAC website is located at this URL:
http://www.cisco.com/tac
Accessing all the tools on the Cisco TAC website requires a Cisco.com user ID and password. If you
have a valid service contract but do not have a login ID or password, register at this URL:
http://tools.cisco.com/RPF/register/register.do
Obtaining Technical Assistance
Opening a TAC Case
Using the online TAC Case Open Tool is the fastest way to open P3 and P4 cases. (P3 and P4 cases are
those in which your network is minimally impaired or for which you require product information.) After
you describe your situation, the TAC Case Open Tool automatically recommends resources for an
immediate solution. If your issue is not resolved using the recommended resources, your case will be
assigned to a Cisco TAC engineer. The online TAC Case Open Tool is located at this URL:
http://www.cisco.com/tac/caseopen
For P1 or P2 cases (P1 and P2 cases are those in which your production network is down or severely
degraded) or if you do not have Internet access, contact Cisco TAC by telephone. Cisco TAC engineers
are assigned immediately to P1 and P2 cases to help keep your business operations running smoothly.
To open a case by telephone, use one of the following numbers:
Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227)
EMEA: +32 2 704 55 55
USA: 1 800 553-2447
For a complete listing of Cisco TAC contacts, go to this URL:
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml
TAC Case Priority Definitions
To ensure that all cases are reported in a standard format, Cisco has established case priority definitions.
Priority 1 (P1)—Your network is “down” or there is a critical impact to your business operations. You
and Cisco will commit all necessary resources around the clock to resolve the situation.
OL-7734-02
Priority 2 (P2)—Operation of an existing network is severely degraded, or significant aspects of your
business operation are negatively affected by inadequate performance of Cisco products. You and Cisco
will commit full-time resources during normal business hours to resolve the situation.
Cisco 3200 Series Wireless MIC Software Configuration Guide
xxiii
Obtaining Additional Publications and Information
Priority 3 (P3)—Operational performance of your network is impaired, but most business operations
remain functional. You and Cisco will commit resources during normal business hours to restore service
to satisfactory levels.
Priority 4 (P4)—You require information or assistance with Cisco product capabilities, installation, or
configuration. There is little or no effect on your business operations.
Obtaining Additional Publications and Information
Information about Cisco products, technologies, and network solutions is available from various online
and printed sources.
• Cisco Marketplace provides a variety of Cisco books, reference guides, and logo merchandise. Go
to this URL to visit the company store:
http://www.cisco.com/go/marketplace/
• The Cisco Product Catalog describes the networking products offered by Cisco Systems, as well as
ordering and customer support services. Access the Cisco Product Catalog at this URL:
http://cisco.com/univercd/cc/td/doc/pcat/
• Cisco Press publishes a wide range of general networking, training and certification titles. Both new
and experienced users will benefit from these publications. For current Cisco Press titles and other
information, go to Cisco Press online at this URL:
Preface
http://www.ciscopress.com
• Pack et magazine is the Cisco quarterly publication that provides the latest networking trends,
technology breakthroughs, and Cisco products and solutions to help industry professionals get the
most from their networking investment. Included are networking deployment and troubleshooting
tips, configuration examples, customer case studies, tutorials and training, certification information,
and links to numerous in-depth online resources. You can access Packet magazine at this URL:
http://www.cisco.com/packet
• iQ Magazine is the Cisco bimonthly publication that delivers the latest information about Internet
business strategies for executives. You can access iQ Magazine at this URL:
http://www.cisco.com/go/iqmagazine
• Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering
professionals involved in designing, developing, and operating public and private internets and
intranets. You can access the Internet Protocol Journal at this URL:
http://www.cisco.com/ipj
• Training—Cisco offers world-class networking training. Current offerings in network training are
listed at this URL:
http://www.cisco.com/en/US/learning/index.html
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CHA P T E R
1
Overview
The Cisco Wireless Mobile Interface Card (WMIC) provides wireless connectivity for the
Cisco 3200 Series Mobile Access Router. WMICs operate in the 2.4-GHz or 4.9-GHz bands and
conform to the 802.11 standards.
This chapter provides information on the following topics:
• Understanding the Cisco Mobile Wireless Network
• Features
• Management Options
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1-1
Understanding the Cisco Mobile Wireless Network
Understanding the Cisco Mobile Wireless Network
This section provides basic wireless network configuration descriptions and an example of a metro
mobile network. The 2.4-GHz WMIC has a fixed channel spacing and bandwidth of 20-MHz. The
4.9-GHz WMIC can be configured for different channel spacings or bandwidths of 5-MHz, 10-MHz, or
20-MHz. These channels are designed to be non overlapping and non-interfering.
Network Configuration Descriptions
This section describes the role of a Cisco 3200 Series Mobile Access Router in common wireless
configurations: access point mode, point-to-point bridging, point-to-multipoint bridging, redundant
bridging, and workgroup bridge mode.
Root Bridge–accepts associations from workgroup bridges, non-root bridges, and clients
Root Access Point–accepts assocations from workgroup bridge and clients
Workgroup Bridge–associates to root access points or root bridges
Non-Root Bridge–associates to root bridges
Chapter 1 Overview
Access Point Mode
You can configure the WMIC as an access point. In the access point mode, the WMIC accepts
associations from local client devices. See Chapter 4, “Configuring Radio Settings,” for instructions on
configuring the WMIC as an access point.
Figure 1-1 shows a typical scenario where the WMIC functions as an access point.
Figure 1-1 Access Point Mode
Point-to-Point Bridging
In a point-to-point configuration, a non-root bridge associates to a root bridge. The WMIC listens for
another bridge. If it does not recognize another bridge, the WMIC becomes a root bridge. If it recognizes
another bridge, it becomes a non-root bridge associated to the bridge it recognizes.
Cisco 3200
127919
1-2
Figure 1-2 shows bridges in a point-to-point configuration.
Cisco 3200 Series Wireless MIC Software Configuration Guide
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Chapter 1 Overview
Figure 1-2 Point-to-Point Bridge Configuration
Point-to-Multipoint Bridging
In a point-to-multipoint configuration, two or more non-root bridges associate to a root bridge. Up to 17
non-root bridges can associate to a root bridge, but the non-root bridges must share the available
bandwidth.
Figure 1-3 shows bridges in a point-to-multipoint configuration.
Figure 1-3 Point-to-Multipoint Configuration
Understanding the Cisco Mobile Wireless Network
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Cisco 3200 Series Wireless MIC Software Configuration Guide
1-3
Features
Redundant Bridging
You can set up two pairs of bridges to add redundancy or load balancing to the bridge link. The bridges
must use non-adjacent, non-overlapping radio channels to prevent interference, and they must use
Spanning Tree Protocol (STP) to prevent loops. (STP is disabled by default. See Chapter 6, “Configuring
Spanning Tree Protocol,” for instructions on configuring STP.)
Figure 1-4 shows two pairs of redundant bridges.
Figure 1-4 Redundant Bridge Configuration
Chapter 1 Overview
Cisco 3200
Workgroup Bridge Mode
You can configure the WMIC to function as a workgroup bridge. Figure 1-5 shows a typical scenario
where the WMIC functions as a workgroup bridge. See Chapter 4, “Configuring Radio Settings,” for
instructions on how to configure the WMIC as a workgroup bridge.
Figure 1-5 Workgroup Bridge Mode
Features
Cisco wireless devices running Cisco IOS offer these software features:
• VLANs—Allow VLAN trunking on both wireless and Ethernet interfaces.
• QoS—Use this feature to support quality of service for prioritizing traffic on the wireless interface.
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Cisco 3200
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1-4
• RADIUS Accounting—Enable accounting on the WMIC to send accounting data about wireless
client devices to a RADIUS server on your network.
• TACACS+ administrator authentication—Enable TACACS+ for server-based, detailed accounting
information and flexible administrative control over authentication and authorization processes. It
provides secure, centralized validation of administrators attempting to gain access to your WMIC.
Cisco 3200 Series Wireless MIC Software Configuration Guide
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Chapter 1 Overview
Note The 4.9-GHz WMIC does not support CKIP and CMIC encryption; however, The 2.4-GHz WMIC does
Features
• Enhanced security—Enable three advanced security features to protect against sophisticated attacks
on your wireless network's WEP keys: Message Integrity Check (MIC) and WEP key hashing.
Enhanced security for WPA/TKIP is also available.
• Enhanced authentication services—Set up non-root bridges or workgroup bridges to authenticate to
the network like other wireless client devices. After a network username and password for the
non-root bridge or workgroup bridge are set, it authenticates to the network using Cisco Light
Extensible Authentication Protocol (LEAP), and receives and uses dynamic WEP keys.
• Advanced Encryption Standard (AES) (only available on the 4.9-GHz WMIC)—This feature
supports Advanced Encryption Standard-Counter Mode with Cipher Block Chaining Message
Authentication Code Protocol (AES-CCMP). AES-CCMP is required for Wi-Fi Protected Access 2
(WPA2) and IEEE 802.11i wireless LAN security.
• Enhanced authentication for Cisco Centralized Key Management (CCKM).
• Fast, secure roaming of client devices, and radio management through wireless domain services
(WDS) (See the “Configuring WDS, Fast Secure Roaming, and Radio Management” chapter for
more information.
support CKIP and CMIC encryption.
The key differences between the 2.4-GHz WMIC and the 4.9-GHz WMIC are shown in Tab le 1-1.
Table 1-1 Differences Between the 2.4-GHz WMIC and the 4.9-GHz WMIC
Feature 2.4-GHz WMIC 4.9-GHz WMIC Comment
Cookie and
C3201 C32XX
Banner
Frequency 2.4 GHz 4.9 GHz
Data rates 802.11b data rates are
1 Mbps, 2 Mbps, 5.5 Mbps
and 11 Mbps.
802.11g, data rates are
1 Mbps, 2 Mbps, 5.5 Mbps,
6 Mbps, 9 Mbps, 11 Mbps,
12 Mbps, 18 Mbps, 24 Mbps,
36 Mbps, 48 Mbps, and
54 Mbps
20-MHz base band. 6 Mbps,
9 Mbps, 12 Mbps, 24 Mbps,
36 Mbps, 48 Mbps, and
56 Mbps.
10-MHz base band. Data
rates are 3 Mbps, 4.5 Mbps,
6 Mbps, 9 Mbps, 12 Mbps,
18 Mbps, 24 Mbps, and
27 Mbps.
The dot11 interface speed command
manages data rates and only applies to the
4.9-GHz WMIC.
5-MHz base band. Data
rates are 1.5 Mbps,
2.25 Mbps, 3 Mbps,
4.5 Mbps, 6 Mbps, 9 Mbps,
12 Mbps, and 13.5 Mbps
Power Maximum OFDM power
level is 15 dBm (30mw). This
varies by country.
Maximum OFDM power
level is 17 dBm (50mw). US
only.
The dot11 interface power command is
used to manage the power levels.
Concatenation Supported Not supported
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1-5
Features
Table 1-1 Differences Between the 2.4-GHz WMIC and the 4.9-GHz WMIC
Feature 2.4-GHz WMIC 4.9-GHz WMIC Comment
distance
command
(minimizes delay
Supported Supported Formula to minimize the delay propagation
will be added to the dot11 interface
distance command
propagation)
World Mode Supported Not supported
HTML-Based
Supported Not supported
User Interface
VLAN 16 unencrypted VLANs
16 static key VLANs
16 dynamic key VLANs
16 unencrypted VLANs
1 static key VLANs
or
4 dynamic key VLANs
Wireless
encryption/cipher
suites
Maximum
WEP-40, WEP-128, TKIP,
CKIP, CMIC, and
WEP-40, WEP-128, TKIP,
and AES-CCM
CKIP-CMIC
255 116
CKIP, CMIC and CKIP-CMIC are not part
of 802.11 standard cipher suites.
number of
stations with
WEP
Maximum
256 26
number of
stations with
TKIP
Maximum
256 116
number of
stations with
AES-CCM
Channelization Statically declared as defined
by IEEE 802.11b/g.
Channel spacing selected by
using the CLI.
WDS server Not supported Can be configured to act as
WDS server.
WDS client 2.4 GHz WMIC
(C3201-WMIC) acting as
Root device can
auto-discover a WDS server.
Acting as Root device, it can
auto-discover and work
within a subnet WDS server.
If the IP address of a WDS server is
statically configured, the 4.9-GHz WMIC,
acting as Root device, can also work with
central WDS server located anywhere in the
network.
Chapter 1 Overview
1-6
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