Cisco 15.24JA, 15.22JB, 15.22JA, 12.425dJA User Manual

Cisco IOS Software Configuration Guide for Cisco Aironet Access Points

Cisco IOS Releases 15.2(4)JA, 15.2(2)JB, 15.2(2)JA,12.4(25d)JA, and

12.3(8)JEE

Cisco Systems, Inc.

www.cisco.com

Cisco has more than 200 offices worldwide. Addresses, phone numbers, and fax numbers are listed on the Cisco website at www.cisco.com/go/offices.

Text Part Number: OL-29225-01

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Cisco IOS Software Configuration Guide for Cisco Aironet Access Points

Audience i-xix

Purpose i-xix

Organization i-xx

Conventions i-xxi

Related Publications i-xxii

Obtaining Documentation, Obtaining Support, and Security Guidelines i-xxii

Contents

CHAPTER

1 Overview 1-1

Features 1-2

Features Introduced in This Release 1-2

Support for IPv6 1-2 Support for Guest Access 1-2 Support for 802.11w 1-3

Management Options 1-3

Roaming Client Devices 1-3

Network Configuration Examples 1-3

Root Access Point 1-4 Repeater Access Point 1-4 Bridges 1-5 Workgroup Bridge 1-6 Central Unit in an All-Wireless Network 1-7

2 Using the Web-Browser Interface 2-1

Using the Web-Browser Interface for the First Time 2-2

Using the Management Pages in the Web-Browser Interface 2-2

Using Action Buttons 2-3 Character Restrictions in Entry Fields 2-4

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Enabling HTTPS for Secure Browsing 2-4

CLI Configuration Example 2-12

Deleting an HTTPS Certificate 2-12

Using Online Help 2-13

Changing the Location of Help Files 2-13

Disabling the Web-Browser Interface 2-14

3 Using the Command-Line Interface 3-1

Cisco IOS Command Modes 3-2

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Getting Help 3-3

Abbreviating Commands 3-3

Using the no and Default Forms of Commands 3-4

Understanding CLI Messages 3-4

Using Command History 3-4

Changing the Command History Buffer Size 3-5 Recalling Commands 3-5 Disabling the Command History Feature 3-5

Using Editing Features 3-6

Enabling and Disabling Editing Features 3-6 Editing Commands Through Keystrokes 3-6 Editing Command Lines that Wrap 3-7

Searching and Filtering Output of show and more Commands 3-8

Accessing the CLI 3-9

Opening the CLI with Telnet 3-9 Opening the CLI with Secure Shell 3-9

CHAPTER

4 Configuring the Access Point for the First Time 4-1

Before You Start 4-2

Resetting the Device to Default Settings 4-2

Resetting to Default Settings Using the MODE Button 4-2 Resetting to Default Settings Using the GUI 4-2 Resetting to Default Settings Using the CLI 4-3

Logging into the Access Point 4-4

Obtaining and Assigning an IP Address 4-4

Default IP Address Behavior 4-5

Connecting to the 1100 Series Access Point Locally 4-5

Connecting to the 1130 Series Access Point Locally 4-6

Connecting to the 1040, 1140,1200, 1230, 1240, 1250, 1260, and 2600 Series Access Points Locally 4-6

Connecting to the 1300 Series Access Point/Bridge Locally 4-7

Default Radio Settings 4-8

Assigning Basic Settings 4-8

Default Settings on the Express Setup Page 4-14

Configuring Basic Security Settings 4-16

Understanding Express Security Settings 4-17

Using VLANs 4-17 Express Security Types 4-18 Express Security Limitations 4-20

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Using the Express Security Page 4-20 CLI Configuration Examples 4-21

Configuring System Power Settings Access Points 4-26

Using the AC Power Adapter 4-26 Using a Switch Capable of IEEE 802.3af Power Negotiation 4-26 Using a Switch That Does Not Support IEEE 802.3af Power Negotiation 4-26 Using a Power Injector 4-27 dot11 extension power native Command 4-27

Support for 802.11n Performance on 1250 Series Access Points with Standard 802.3af PoE 4-27

1250 Series Power Modes 4-27

Assigning an IP Address Using the CLI 4-28

Using a Telnet Session to Access the CLI 4-28

Configuring the 802.1X Supplicant 4-29

Creating a Credentials Profile 4-29 Applying the Credentials to an Interface or SSID 4-30

Applying the Credentials Profile to the Wired Port 4-30 Applying the Credentials Profile to an SSID Used For the Uplink 4-31 Creating and Applying EAP Method Profiles 4-32

Contents

CHAPTER

Configuring IPv6 4-32

Configuring DHCPv6 address 4-33 IPv6 Neighbor Discovery 4-34 Configuring IPv6 Access Lists 4-35

RADIUS Configuration 4-35 IPv6 WDS Support 4-35

CDPv6 Support: 4-36 RA filtering 4-37

5 Administering the Access Point 5-1

Disabling the Mode Button 5-2

Preventing Unauthorized Access to Your Access Point 5-3

Protecting Access to Privileged EXEC Commands 5-3

Default Password and Privilege Level Configuration 5-4 Setting or Changing a Static Enable Password 5-4 Protecting Enable and Enable Secret Passwords with Encryption 5-6 Configuring Username and Password Pairs 5-7 Configuring Multiple Privilege Levels 5-8

Setting the Privilege Level for a Command 5-8 Logging Into and Exiting a Privilege Level 5-9

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Configuring Easy Setup 5-9

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Configuring Spectrum Expert Mode 5-10

Controlling Access Point Access with RADIUS 5-11

Default RADIUS Configuration 5-12 Configuring RADIUS Login Authentication 5-12 Defining AAA Server Groups 5-14 Configuring RADIUS Authorization for User Privileged Access and

Network Services Displaying the RADIUS Configuration 5-17

Controlling Access Point Access with TACACS+ 5-17

Default TACACS+ Configuration 5-17 Configuring TACACS+ Login Authentication 5-17 Configuring TACACS+ Authorization for Privileged EXEC Access and Network Services 5-19 Displaying the TACACS+ Configuration 5-19

Configuring Ethernet Speed and Duplex Settings 5-20

Configuring the Access Point for Wireless Network Management 5-20

5-16

Configuring the Access Point for Local Authentication and Authorization 5-21

Configuring the Authentication Cache and Profile 5-22

Configuring the Access Point to Provide DHCP Service 5-24

Setting up the DHCP Server 5-24 Monitoring and Maintaining the DHCP Server Access Point 5-26

Show Commands 5-26 Clear Commands 5-26 Debug Command 5-27

Configuring the Access Point for Secure Shell 5-27

Understanding SSH 5-27 Configuring SSH 5-27 Support for Secure Copy Protocol 5-28

Configuring Client ARP Caching 5-28

Understanding Client ARP Caching 5-28

Optional ARP Caching 5-29

Configuring ARP Caching 5-29

Managing the System Time and Date 5-29

Understanding Simple Network Time Protocol 5-30 Configuring SNTP 5-30 Configuring Time and Date Manually 5-30

Setting the System Clock 5-31 Displaying the Time and Date Configuration 5-32 Configuring the Time Zone 5-32 Configuring Summer Time (Daylight Saving Time) 5-33

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Defining HTTP Access 5-35

Configuring a System Name and Prompt 5-35

Default System Name and Prompt Configuration 5-35 Configuring a System Name 5-35 Understanding DNS 5-36

Default DNS Configuration 5-36 Setting Up DNS 5-37 Displaying the DNS Configuration 5-38

Creating a Banner 5-38

Default Banner Configuration 5-38 Configuring a Message-of-the-Day Login Banner 5-38 Configuring a Login Banner 5-40

Upgrading Autonomous Cisco Aironet Access Points to Lightweight Mode 5-40

Migrating to Japan W52 Domain 5-41

Verifying the Migration 5-43

Contents

CHAPTER

Configuring Multiple VLAN and Rate Limiting for Point-to-Multipoint Bridging 5-43

CLI Command 5-44

6 Configuring Radio Settings 6-1

Enabling the Radio Interface 6-2

Configuring the Role in Radio Network 6-2

Universal Workgroup Bridge Mode 6-5

Point-to-point and Multi Point bridging support for 802.11n platforms 6-5 Configuring Dual-Radio Fallback 6-6 Radio Tracking 6-7 Fast Ethernet Tracking 6-7 MAC-Address Tracking 6-7 Bridge Features Not Supported 6-8

Configuring Radio Data Rates 6-8

Access Points Send Multicast and Management Frames at Highest Basic Rate 6-9

Configuring MCS Rates 6-11

Configuring Radio Transmit Power 6-12

Limiting the Power Level for Associated Client Devices 6-15

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Configuring Radio Channel Settings 6-16

Channel Widths for 802..11n 6-17 Dynamic Frequency Selection 6-18

Radar Detection on a DFS Channel 6-19 CLI Commands 6-19

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Confirming that DFS is Enabled 6-20 Configuring a Channel 6-20 Blocking Channels from DFS Selection 6-21

Setting the 802.11n Guard Interval 6-22

Configuring Location-Based Services 6-22

Understanding Location-Based Services 6-22 Configuring LBS on Access Points 6-23

Enabling and Disabling World Mode 6-24

Disabling and Enabling Short Radio Preambles 6-25

Configuring Transmit and Receive Antennas 6-26

Enabling and Disabling Gratuitous Probe Response 6-27

Disabling and Enabling Aironet Extensions 6-28

Configuring the Ethernet Encapsulation Transformation Method 6-29

Enabling and Disabling Reliable Multicast to Workgroup Bridges 6-29

Enabling and Disabling Public Secure Packet Forwarding 6-30

Configuring Protected Ports 6-31

Configuring the Beacon Period and the DTIM 6-32

Configure RTS Threshold and Retries 6-32

Configuring the Maximum Data Retries 6-33

Configuring the Fragmentation Threshold 6-33

Enabling Short Slot Time for 802.11g Radios 6-34

Performing a Carrier Busy Test 6-34

Configuring VoIP Packet Handling 6-34

Viewing VoWLAN Metrics 6-35

Viewing Voice Reports 6-36 Viewing Wireless Client Reports 6-38 Viewing Voice Fault Summary 6-39 Configuring Voice QoS Settings 6-40 Configuring Voice Fault Settings 6-41

Configuring ClientLink 6-42

Using the CLI to Configure ClientLink 6-42

CHAPTER

Debugging Radio Functions 6-42

7 Configuring Multiple SSIDs 7-1

Understanding Multiple SSIDs 7-2

Effect of Software Versions on SSIDs 7-2

Configuring Multiple SSIDs 7-4

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Default SSID Configuration 7-4 Creating an SSID Globally 7-4

Viewing SSIDs Configured Globally 7-6

Using Spaces in SSIDs 7-6 Using a RADIUS Server to Restrict SSIDs 7-7

Configuring Multiple Basic SSIDs 7-8

Requirements for Configuring Multiple BSSIDs 7-8 Guidelines for Using Multiple BSSIDs 7-8 Configuring Multiple BSSIDs 7-8

CLI Configuration Example 7-10

Displaying Configured BSSIDs 7-10

Assigning IP Redirection for an SSID 7-11

Guidelines for Using IP Redirection 7-12 Configuring IP Redirection 7-12

Including an SSID in an SSIDL IE 7-13

Contents

CHAPTER

NAC Support for MBSSID 7-14

Configuring NAC for MBSSID 7-16

8 Configuring Spanning Tree Protocol 8-1

Understanding Spanning Tree Protocol 8-2

STP Overview 8-2 1300 and 350 Series Bridge Interoperability 8-3 Access Point/Bridge Protocol Data Units 8-3 Election of the Spanning-Tree Root 8-4 Spanning-Tree Timers 8-5 Creating the Spanning-Tree Topology 8-5 Spanning-Tree Interface States 8-6

Blocking State 8-7

Listening State 8-7

Learning State 8-7

Forwarding State 8-8

Disabled State 8-8

Configuring STP Features 8-8

Default STP Configuration 8-8 Configuring STP Settings 8-9 STP Configuration Examples 8-10

Root Bridge Without VLANs 8-10

Non-Root Bridge Without VLANs 8-11

Root Bridge with VLANs 8-11

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Non-Root Bridge with VLANs 8-13

Displaying Spanning-Tree Status 8-14

CHAPTER

9 Configuring an Access Point as a Local Authenticator 9-1

Understanding Local Authentication 9-2

Configuring a Local Authenticator 9-2

Guidelines for Local Authenticators 9-3 Configuration Overview 9-3 Configuring the Local Authenticator Access Point 9-3 Configuring Other Access Points to Use the Local Authenticator 9-6 Configuring EAP-FAST Settings 9-7

Configuring PAC Settings 9-7 Configuring an Authority ID 9-8 Configuring Server Keys 9-8

Possible PAC Failures Caused by Access Point Clock 9-8 Limiting the Local Authenticator to One Authentication Type 9-9 Unblocking Locked Usernames 9-9 Viewing Local Authenticator Statistics 9-9 Using Debug Messages 9-10

10 Configuring Cipher Suites and WEP 10-1

CHAPTER

Understanding Cipher Suites and WEP 10-2

Configuring Cipher Suites and WEP 10-3

Creating WEP Keys 10-3

WEP Key Restrictions 10-5

Example WEP Key Setup 10-5 Enabling Cipher Suites and WEP 10-6

Matching Cipher Suites with WPA or CCKM 10-7 Enabling and Disabling Broadcast Key Rotation 10-8

11 Configuring Authentication Types 11-1

Understanding Authentication Types 11-2

Open Authentication to the Access Point 11-2 Shared Key Authentication to the Access Point 11-3 EAP Authentication to the Network 11-4 MAC Address Authentication to the Network 11-5 Combining MAC-Based, EAP, and Open Authentication 11-6 Using CCKM for Authenticated Clients 11-6 Using WPA Key Management 11-7

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Software and Firmware Requirements for WPA, CCKM, CKIP, and WPA-TKIP 11-8

Configuring Authentication Types 11-10

Assigning Authentication Types to an SSID 11-10

Configuring WPA Migration Mode 11-13 Configuring Additional WPA Settings 11-14

Configuring MAC Authentication Caching 11-15 Configuring Authentication Holdoffs, Timeouts, and Intervals 11-16 Creating and Applying EAP Method Profiles for the 802.1X Supplicant 11-17

Creating an EAP Method Profile 11-18

Applying an EAP Profile to the Fast Ethernet Interface 11-18

Applying an EAP Profile to an Uplink SSID 11-19

Matching Access Point and Client Device Authentication Types 11-19

Guest Access Management 11-22

Guest Account Creation 11-24

Contents

CHAPTER

12 Configuring WDS, Fast Secure Roaming, Radio Management, and Wireless Intrusion Detection

Services

12-1

Understanding WDS 12-2

Role of the WDS Device 12-2 Role of Access Points Using the WDS Device 12-3

Understanding Fast Secure Roaming 12-3

Understanding Radio Management 12-5

Understanding Layer 3 Mobility 12-5

Understanding Wireless Intrusion Detection Services 12-6

Configuring WDS 12-7

Guidelines for WDS 12-8 Requirements for WDS 12-8 Configuration Overview 12-8 Configuring Access Points as Potential WDS Devices 12-9

CLI Configuration Example 12-13 Configuring Access Points to use the WDS Device 12-14

CLI Configuration Example 12-15 Configuring the Authentication Server to Support WDS 12-15 Configuring WDS Only Mode 12-19 Viewing WDS Information 12-20 Using Debug Messages 12-21

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Configuring Fast Secure Roaming 12-21

Requirements for Fast Secure Roaming 12-21 Configuring Access Points to Support Fast Secure Roaming 12-22

Cisco IOS Software Configuration Guide for Cisco Aironet Access Points

Contents

CLI Configuration Example 12-24 Support for 802.11r 12-24

Configuring Management Frame Protection 12-25

Management Frame Protection 12-25 Overview 12-26 Protection of Unicast Management Frames 12-26 Protection of Broadcast Management Frames 12-26 Client MFP For Access Points in Root mode 12-26 Configuring Client MFP 12-27 Management Frame Protection with 802.11w 12-28

Configuring Radio Management 12-30

CLI Configuration Example 12-31

Configuring Access Points to Participate in WIDS 12-32

Configuring the Access Point for Scanner Mode 12-32 Configuring the Access Point for Monitor Mode 12-32 Displaying Monitor Mode Statistics 12-33 Configuring Monitor Mode Limits 12-34

Configuring an Authentication Failure Limit 12-34

CHAPTER

13 Configuring RADIUS and TACACS+ Servers 13-1

Configuring and Enabling RADIUS 13-1

Understanding RADIUS 13-2 RADIUS Operation 13-2 Configuring RADIUS 13-3

Default RADIUS Configuration 13-4 Identifying the RADIUS Server Host 13-4 Configuring RADIUS Login Authentication 13-7 Defining AAA Server Groups 13-9 Configuring RADIUS Authorization for User Privileged Access and Network Services 13-11 Configuring Packet of Disconnect 13-12 Starting RADIUS Accounting m 13-13 Selecting the CSID Format 13-14 Configuring Settings for All RADIUS Servers 13-15 Configuring the Access Point to Use Vendor-Specific RADIUS Attributes 13-16 Configuring the Access Point for Vendor-Proprietary RADIUS Server Communication 13-17

Configuring WISPr RADIUS Attributes 13-18 Displaying the RADIUS Configuration 13-19 RADIUS Attributes Sent by the Access Point 13-20

Configuring and Enabling TACACS+ 13-23

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Understanding TACACS+ 13-23 TACACS+ Operation 13-24 Configuring TACACS+ 13-24

Default TACACS+ Configuration 13-25 Identifying the TACACS+ Server Host and Setting the Authentication Key 13-25 Configuring TACACS+ Login Authentication 13-26 Configuring TACACS+ Authorization for Privileged EXEC Access and Network Services 13-27 Starting TACACS+ Accounting 13-28

Displaying the TACACS+ Configuration 13-29

Contents

CHAPTER

14 Configuring VLANs 14-1

Understanding VLANs 14-2

Related Documents 14-3 Incorporating Wireless Devices into VLANs 14-4

Configuring VLANs 14-4

Configuring a VLAN 14-5 Assigning Names to VLANs 14-7

Guidelines for Using VLAN Names 14-7

Creating a VLAN Name 14-8 Using a RADIUS Server to Assign Users to VLANs 14-8 Using a RADIUS Server for Dynamic Mobility Group Assignment 14-9 Viewing VLANs Configured on the Access Point 14-9

VLAN Configuration Example 14-10

15 Configuring QoS 15-1

Understanding QoS for Wireless LANs 15-2

QoS for Wireless LANs Versus QoS on Wired LANs 15-2 Impact of QoS on a Wireless LAN 15-2 Precedence of QoS Settings 15-3 Using Wi-Fi Multimedia Mode 15-4 Using Band Select 15-5

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Configuring QoS 15-6

Configuration Guidelines 15-6 Configuring QoS Using the Web-Browser Interface 15-6 The QoS Policies Advanced Page 15-10

QoS Element for Wireless Phones 15-10

IGMP Snooping 15-11

AVVID Priority Mapping 15-11

WiFi Multimedia (WMM) 15-11

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Rate Limiting 15-11

Adjusting Radio Access Categories 15-12

Configuring Nominal Rates 15-13 Optimized Voice Settings 15-14 Configuring Call Admission Control 15-14

QoS Configuration Examples 15-15

Giving Priority to Voice Traffic 15-15 Giving Priority to Video Traffic 15-16

CHAPTER

16 Configuring Filters 16-1

Understanding Filters 16-2

Configuring Filters Using the CLI 16-2

Configuring Filters Using the Web-Browser Interface 16-3

Configuring and Enabling MAC Address Filters 16-3

Creating a MAC Address Filter 16-4 Using MAC Address ACLs to Block or Allow Client Association to the Access Point 16-6

Creating a Time-Based ACL 16-8

ACL Logging 16-9 CLI Configuration Example 16-9

Configuring and Enabling IP Filters 16-9

Creating an IP Filter 16-11

Configuring and Enabling EtherType Filters 16-12

Creating an EtherType Filter 16-13

17 Configuring CDP 17-1

Understanding CDP 17-2

Configuring CDP 17-2

Default CDP Configuration 17-2 Configuring the CDP Characteristics 17-2 Disabling and Enabling CDP 17-3 Disabling and Enabling CDP on an Interface 17-4

CHAPTER

Monitoring and Maintaining CDP 17-4

18 Configuring SNMP 18-1

Understanding SNMP 18-2

SNMP Versions 18-2 SNMP Manager Functions 18-3 SNMP Agent Functions 18-4

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SNMP Community Strings 18-4 Using SNMP to Access MIB Variables 18-4

Configuring SNMP 18-5

Default SNMP Configuration 18-5 Enabling the SNMP Agent 18-5 Configuring Community Strings 18-6 Specifying SNMP-Server Group Names 18-7 Configuring SNMP-Server Hosts 18-8 Configuring SNMP-Server Users 18-8 Configuring Trap Managers and Enabling Traps 18-8 Setting the Agent Contact and Location Information 18-10 Using the snmp-server view Command 18-10 SNMP Examples 18-10

Displaying SNMP Status 18-12

Contents

CHAPTER

19 Configuring Repeater and Standby Access Points and Workgroup Bridge Mode 19-1

Understanding Repeater Access Points 19-2

Configuring a Repeater Access Point 19-3

Default Configuration 19-4 Guidelines for Repeaters 19-4 Setting Up a Repeater 19-5

Aligning Antennas 19-6

Verifying Repeater Operation 19-7 Setting Up a Repeater As a LEAP Client 19-7 Setting Up a Repeater As a WPA Client 19-8

Understanding Hot Standby 19-9

Configuring a Hot Standby Access Point 19-10

Verifying Standby Operation 19-12

Understanding Workgroup Bridge Mode 19-13

Treating Workgroup Bridges as Infrastructure Devices or as Client Devices 19-15 Configuring a Workgroup Bridge for Roaming 19-16 Configuring a Workgroup Bridge for Limited Channel Scanning 19-16

Configuring the Limited Channel Set 19-16

Ignoring the CCX Neighbor List 19-17 Configuring a Client VLAN 19-17

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Workgroup Bridge VLAN Tagging 19-17

Configuring Workgroup Bridge Mode 19-18

Using Workgroup Bridges in a Lightweight Environment 19-20

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Guidelines for Using Workgroup Bridges in a Lightweight Environment 19-20

Sample Workgroup Bridge Configuration 19-22

Enabling VideoStream Support on Workgroup Bridges 19-23

CHAPTER

20 Managing Firmware and Configurations 20-1

Working with the Flash File System 20-1

Displaying Available File Systems 20-2 Setting the Default File System 20-3 Displaying Information About Files on a File System 20-3 Changing Directories and Displaying the Working Directory 20-3 Creating and Removing Directories 20-4 Copying Files 20-4 Deleting Files 20-5 Creating, Displaying, and Extracting tar Files 20-5

Creating a tar File 20-5 Displaying the Contents of a tar File 20-6 Extracting a tar File 20-7

Displaying the Contents of a File 20-7

Working with Configuration Files 20-7

Guidelines for Creating and Using Configuration Files 20-8 Configuration File Types and Location 20-9 Creating a Configuration File by Using a Text Editor 20-9 Copying Configuration Files by Using TFTP 20-9

Preparing to Download or Upload a Configuration File by Using TFTP 20-10 Downloading the Configuration File by Using TFTP 20-10 Uploading the Configuration File by Using TFTP 20-11

Copying Configuration Files by Using FTP 20-11

Preparing to Download or Upload a Configuration File by Using FTP 20-12 Downloading a Configuration File by Using FTP 20-12 Uploading a Configuration File by Using FTP 20-13

Copying Configuration Files by Using RCP 20-14

Preparing to Download or Upload a Configuration File by Using RCP 20-15 Downloading a Configuration File by Using RCP 20-16 Uploading a Configuration File by Using RCP 20-17

Clearing Configuration Information 20-17

Deleting a Stored Configuration File 20-18

Working with Software Images 20-18

Image Location on the Access Point 20-18 tar File Format of Images on a Server or Cisco.com 20-19

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Copying Image Files by Using TFTP 20-19

Preparing to Download or Upload an Image File by Using TFTP 20-19

Downloading an Image File by Using TFTP 20-20

Uploading an Image File by Using TFTP 20-22 Copying Image Files by Using FTP 20-22

Preparing to Download or Upload an Image File by Using FTP 20-23

Downloading an Image File by Using FTP 20-24

Uploading an Image File by Using FTP 20-26 Copying Image Files by Using RCP 20-27

Preparing to Download or Upload an Image File by Using RCP 20-27

Downloading an Image File by Using RCP 20-29

Uploading an Image File by Using RCP 20-31 Reloading the Image Using the Web Browser Interface 20-32

Browser HTTP Interface 20-32

Browser TFTP Interface 20-33

Contents

CHAPTER

21 Configuring System Message Logging 21-1

Understanding System Message Logging 21-2

Configuring System Message Logging 21-2

System Log Message Format 21-2 Default System Message Logging Configuration 21-3 Disabling and Enabling Message Logging 21-4 Setting the Message Display Destination Device 21-5 Enabling and Disabling Timestamps on Log Messages 21-6 Enabling and Disabling Sequence Numbers in Log Messages 21-6 Defining the Message Severity Level 21-7 Limiting Syslog Messages Sent to the History Table and to SNMP 21-8 Setting a Logging Rate Limit 21-9 Configuring UNIX Syslog Servers 21-10

Logging Messages to a UNIX Syslog Daemon 21-10

Configuring the UNIX System Logging Facility 21-10

Displaying the Logging Configuration 21-12

22 Troubleshooting 22-1

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Checking the Top Panel Indicators 22-2

Indicators on 1130 Series Access Points 22-5 Indicators on 1040 or 1140 Series Access Point 22-8 Indicators on 1240 Series Access Points 22-11 Indicators on 1250 Access Points 22-13

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Indicators on 1260 Series Access Points 22-15 Indicators on 1300 Outdoor Access Point/Bridges 22-17

Normal Mode LED Indications 22-18 Power Injector 22-20

Checking Power 22-21

Low Power Condition 22-21

Checking Basic Settings 22-22

SSID 22-22 WEP Keys 22-22 Security Settings 22-22

Resetting to the Default Configuration 22-23

Using the MODE Button 22-23 Using the Web Browser Interface 22-24 Using the CLI 22-24

APPENDIX

Reloading the Access Point Image 22-25

Using the MODE button 22-26 Using the Web Browser Interface 22-26

Browser HTTP Interface 22-27

Browser TFTP Interface 22-27 Using the CLI 22-28 Obtaining the Access Point Image File 22-29 Obtaining TFTP Server Software 22-30

Image Recovery on the 1520 Access Point 22-30

A Protocol Filters A-1

B Supported MIBs B-1

MIB List B-1

Using FTP to Access the MIB Files B-2

C Error and Event Messages C-1

Conventions C-2

Software Auto Upgrade Messages C-3

Association Management Messages C-5

Unzip Messages C-6

System Log Messages C-7

802.11 Subsystem Messages C-8

Inter-Access Point Protocol Messages C-21

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LOSSARY

Contents

Local Authenticator Messages C-21

WDS Messages C-24

Mini IOS Messages C-25

Access Point/Bridge Messages C-26

Cisco Discovery Protocol Messages C-26

External Radius Server Error Messages C-26

LWAPP Error Messages C-27

Sensor Messages C-28

SNMP Error Messages C-29

SSH Error Messages C-30

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Audience

Preface

This guide is for the networking professional who installs and manages Cisco Aironet Access Points. To use this guide, you should have experience working with the Cisco IOS software and be familiar with the concepts and terminology of wireless local area networks.

Note This guide does not cover lightweight access points. Configuration for these devices can be found in the

Purpose

The guide covers Cisco IOS Releases 15.2(4)JA , 12.4(25d)JA, and 12.3(8)JEE.

Cisco IOS Releases 15.2(4)JA supports the following autonomous 32 Mb platforms:

• AP 1040

• AP 801

• AP 802

• AP 1140

• AP 1550

• AP 1600

• AP 2600

• AP 3500

• AP 3600

• AP 1260

appropriate installation and configuration guides on Cisco.com.

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This guide provides the information you need to install and configure your access point. This guide provides procedures for using the Cisco IOS software commands that have been created or changed for use with the access point. It does not provide detailed information about these commands. For detailed information about these commands, refer to the Cisco IOS Command Reference for Cisco Aironet Access Points and Bridges for this release. For information about the standard Cisco IOS software commands, refer to the Cisco IOS software documentation set available from the Cisco.com home page at Support > Documentation.

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Organization

This guide also includes an overview of the access point web-based interface (APWI), which contains all the functionality of the command-line interface (CLI). This guide does not provide field-level descriptions of the APWI windows nor does it provide the procedures for configuring the access point from the APWI. For all APWI window descriptions and procedures, refer to the access point online help, which is available from the Help buttons on the APWI pages.

Organization

This guide is organized into these chapters:

Chapter 1, “Overview,” lists the software and hardware features of the access point and describes the

access point role in your network.

Chapter 2, “Using the Web-Browser Interface,” describes how to use the web-browser interface to

configure the access point.

Chapter 3, “Using the Command-Line Interface,” describes how to use the command-line interface (CLI)

to configure the access point.

Chapter 4, “Configuring the Access Point for the First Time,”describes how to configure basic settings

on a new access point.

Chapter 5, “Administering the Access Point,” describes how to perform one-time operations to

administer your access point, such as preventing unauthorized access to the access point, setting the system date and time, and setting the system name and prompt.

Chapter 6, “Configuring Radio Settings,” describes how to configure settings for the access point radio

such as the role in the radio network, transmit power, channel settings, and others.

Chapter 7, “Configuring Multiple SSIDs,” describes how to configure and manage multiple Service Set

Identifiers (SSIDs) and multiple basic SSIDs (BSSIDs) on your access point. You can configure up to 16 SSIDs and up to eight BSSIDs on your access point.

Chapter 8, “Configuring Spanning Tree Protocol,”describes how to configure Spanning Tree Protocol

(STP) on your access point, bridge, or access point operating in a bridge mode. STP prevents bridge loops from occurring in your network.

Chapter 9, “Configuring an Access Point as a Local Authenticator,” describes how to configure the

access point to act as a local RADIUS server for your wireless LAN. If the WAN connection to your main RADIUS server fails, the access point acts as a backup server to authenticate wireless devices.

Chapter 10, “Configuring Cipher Suites and WEP,” 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 11, “Configuring Authentication Types,” describes how to configure authentication types on the

access point. Client devices use these authentication methods to join your network.

Chapter 12, “Configuring WDS, Fast Secure Roaming, Radio Management, and Wireless Intrusion Detection Services,” describes how to configure the access point to participate in WDS, to allow fast

reassociation of roaming client services, and to participate in radio management.

Chapter 13, “Configuring and Enabling RADIUS,” describes how to enable and configure the RADIUS

and Terminal Access Controller Access Control System Plus (TACACS+), which provide detailed accounting information and flexible administrative control over authentication and authorization processes.

Chapter 14, “Configuring VLANs,” describes how to configure your access point to interoperate with

the VLANs set up on your wired LAN.

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Conventions

Chapter 15, “Configuring QoS,” describes how to configure and manage MAC address, IP, and

EtherType filters on the access point using the web-browser interface.

Chapter 16, “Configuring Filters,” describes how to configure and manage MAC address, IP, and

EtherType filters on the access point using the web-browser interface.

Chapter 17, “Configuring CDP,” describes how to configure Cisco Discovery Protocol (CDP) on your

access point. CDP is a device-discovery protocol that runs on all Cisco network equipment.

Chapter 18, “Configuring SNMP,” describes how to configure the Simple Network Management

Protocol (SNMP) on your access point.

Chapter 19, “Configuring Repeater and Standby Access Points and Workgroup Bridge Mode,” describes

how to configure your access point as a hot standby unit or as a repeater unit.

Chapter 20, “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 21, “Configuring System Message Logging,” describes how to configure system message

logging on your access point.

Chapter 22, “Troubleshooting,”provides troubleshooting procedures for basic problems with the access

point.

Appendix A, “Protocol Filters,” lists some of the protocols that you can filter on the access point.

Appendix B, “Supported MIBs,” lists the Simple Network Management Protocol (SNMP) Management

Information Bases (MIBs) that the access point supports for this software release.

Appendix C, “Error and Event Messages,” lists the CLI error and event messages and provides an

explanation and recommended action for each message.

Conventions

This publication uses these conventions to convey instructions and information:

Command descriptions use these conventions:

Interactive examples use these 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.

• Nonprinting characters, such as passwords or tabs, are in angle brackets (< >).

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Notes, cautions, and timesavers use these conventions and symbols:

Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in

this manual.

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Related Publications

Caution Means reader be careful. In this situation, you might do something that could result equipment damage

or loss of data.

Tip Means the following will help you solve a problem. The tips information might not be troubleshooting

or even an action, but could be useful information.

Related Publications

These documents provide complete information about the access point:

• Getting Started Guide: Cisco Aironet 1040 Series Access Points

• Getting Started Guide: Cisco Aironet 1260 Series Access Points

• Release Notes for Cisco Aironet Access Points and Bridges for Cisco IOS Release 12.4(24d)JA and

12.3(8)JEE

• Cisco IOS Command Reference for Cisco Aironet Access Points and Bridges

• Quick Start Guide: Cisco Aironet 1100 Series Access Points

• Quick Start Guide: Cisco Aironet 1130AG Series Access Point

• Getting Started Guide: Cisco Aironet 1140 Series Autonomous Access Point

• Quick Start Guide: Cisco Aironet 1200 Series Access Points

• Quick Start Guide: Cisco Aironet 1240 Series Access Point

• Quick Start Guide: Cisco Aironet 1250 Series Access Point

• Quick Start Guide: Cisco Aironet 1300 Series Outdoor Access Point/Bridge

• Cisco Aironet Access Point Hardware Installation Guide

• Installation Instructions for Cisco Aironet Power Injectors

• Cisco 1140 Series Access Point Deployment Guide

• Installation Instructions for Cisco Aironet 1250 Series Access Point Power Injector

• Cisco Aironet 802.11g Radio Upgrade Instructions

• Cisco Aironet 1250 Series Access Point Radio Upgrade Instructions

• Getting Started Guide: Cisco Aironet 2600 Series Access Points

Obtaining Documentation, Obtaining Support, and Security Guidelines

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For information on obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and also recommended aliases and general Cisco documents, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

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Obtaining Documentation, Obtaining Support, and Security Guidelines

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CHA P T ER

Overview

Cisco Aironet Access Points (hereafter called access points) provide a secure, affordable, and easy-to-use wireless LAN solution that combines mobility and flexibility with the enterprise-class features required by networking professionals. With a management system based on Cisco IOS software, Cisco Aironet access points are Wi-Fi certified, 802.11a-compliant, 802.11b-compliant, and

802.11g-compliant wireless LAN transceivers.

Note The 802.11n standard has not been ratified. Therefore, references to 802.11n throughout this document

refer to 802.11n Draft 2.0.

An access point serves as the connection point between wireless and wired networks or as the center point of a stand-alone wireless network. In large installations, wireless users within the radio range of an access point can roam throughout a facility while maintaining seamless, uninterrupted access to the network.

You can configure and monitor the wireless device using the command-line interface (CLI), the browser-based management system, or Simple Network Management Protocol (SNMP).

Each access point platform contains one, two, or three radios:

• The 1040 series access point has dual-band (2.4 GHz and 5 GHz), integrated 802.11n radios and

integrated antennas.

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• The 1100 series access point uses a single, 802.11b, 2.4-GHz mini-PCI radio that can be upgraded

to an 802.11g, 2.4-GHz radio.

• The 1130 series access point has integrated 802.11g and 802.11a radios and antennas.

• The 1140 series access point has integrated antennas for its pre-802.11n radios operating on the 2.4-

or 5-GHz frequency bands.

• The 1200 series access point can contain two radios: a 2.4-GHz radio in an internal mini-PCI slot

and a 5-GHz radio module in an external, modified cardbus slot. The 1200 series access point supports one radio of each type, but it does not support two 2.4-GHz or two 5-GHz radios.

• The 1230 series access point is pre-configured to include both an 802.11g and an 802.11a radio. It

has antenna connectors for externally attached antennas for both radios.

• The 1240 series access point uses two externally connected antennas for each band instead of

built-in antennas.

• The 1250 series access point uses three external connected antennas for its pre-802.11n radios

operating on the 2.4- or 5-GHz frequency bands.

• The 1260 series access point uses three external connected antennas for its pre-802.11n radios

operating on the 2.4- or 5-GHz frequency bands.

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Features

Chapter 1 Overview

• The 1300 series outdoor access point/bridge uses an integrated antenna and can be configured to use

external, dual-diversity antennas.

• The 2600 series access point contains dual-band radios (2.4 GHz and 5 GHz) with integrated and

external antenna options. The access points support full inter-operability with leading 802.11n clients, and support a mixed deployment with other access points and controllers.

• The 3600 series access point contains a third radio slot. The autonomous mode is not supported on

the third radio.

This chapter contains the following sections:

• Features, page 1-2

• Management Options, page 1-3

• Roaming Client Devices, page 1-3

• Network Configuration Examples, page 1-3

This section lists features supported on access points running Cisco IOS software.

Note The proxy Mobile-IP feature is not supported in Cisco IOS Releases 12.3(2)JA and later.

Features Introduced in This Release

This section describes the new features in Cisco IOS Release 15.2(4)JA and contains these topics:

• Support for IPv6, page 1-2

• Support for Guest Access, page 1-2

• Support for 802.11w, page 1-3

Support for IPv6

Cisco IOS Release 15.2(4)JA supports IPv6 protocols. IPv6 is the latest Internet protocol for IPv4. It uses 128-bit addresses as opposed to the 32-bit addresses that are used in IPv4. Cisco IOS Release

15.2(4)JA supports these unicast addresses:

• Aggregatable Global Address: These addresses are globally routable and reachable on the IPv6

portion of the Internet. Global addresses are identified by the format prefix of 001.

• Link-local address: These addresses are automatically configured on interface using:

–

Link-local prefix FE80::/10 (1111 1110 10)

–

Support for Guest Access

Cisco IOS Release 15.2(4)JA supports guest access to the network. Guest networks provide access to the Internet and intranet without compromising the security of the host enterprise network.

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Interface identifier in the modified EUI-64 format.

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Chapter 1 Overview

Support for 802.11w

Cisco IOS Release 15.2(4)JA provides support for the 802.11w protocol. Unlike encrypted data traffic, management frames are sent in an unsecure manner while using the 802.11 protocol for data transfer. The standard 802.11w protocol ensures that the management frames are secured by applying robust management frame protection protocols.

Management Options

You can use the wireless device management system through the following interfaces:

• The Cisco IOS command-line interface (CLI), which you use through a console port or Telnet

session. Use the interface dot11radio global configuration command to place the wireless device into the radio configuration mode. Most of the examples in this manual are taken from the CLI.

Chapter 3, “Using the Command-Line Interface,” provides a detailed description of the CLI.

• A web-browser interface, which you use through a Web browser. Chapter 2, “Using the

Web-Browser Interface,” provides a detailed description of the web-browser interface.

• Simple Network Management Protocol (SNMP). Chapter 18, “Configuring SNMP,” explains how to

configure the wireless device for SNMP management.

Management Options

Roaming Client Devices

If you have more than one wireless device in your wireless LAN, wireless client devices can roam seamlessly from one wireless device to another. The roaming functionality is based on signal quality, not proximity. When signal quality drops from a client, it roams to another access point.

Wireless LAN users are sometimes concerned when a client device stays associated to a distant access point instead of roaming to a closer access point. However, if a client signal to a distant access point remains strong and the signal quality is high, the client will not roam to a closer access point. Checking constantly for closer access points would be inefficient, and the extra radio traffic would slow throughput on the wireless LAN.

Using CCKM and a device providing WDS, client devices can roam from one access point to another so quickly that there is no perceptible delay in voice or other time-sensitive applications.

Network Configuration Examples

This section describes the role of an access point in common wireless network configurations. The access point default configuration is as a root unit connected to a wired LAN or as the central unit in an all-wireless network. Access points can also be configured as repeater access points, bridges, and workgroup bridges. These roles require specific configurations.

Root Access Point

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An access point connected directly to a wired LAN provides a connection point for wireless users. If more than one access point is connected to the LAN, users can roam from one area of a facility to another without losing their connection to the network. As users move out of range of one access point, they automatically connect to the network (associate) through another access point. The roaming process is

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Network Configuration Examples

Access point

135445

seamless and transparent to the user. Figure 1-1 shows access points acting as root units on a wired LAN.

Figure 1-1 Access Points as Root Units on a Wired LAN

Chapter 1 Overview

Repeater Access Point

An access point can be configured as a stand-alone repeater to extend the range of your infrastructure or to overcome an obstacle that blocks radio communication. The repeater forwards traffic between wireless users and the wired LAN by sending packets to either another repeater or to an access point connected to the wired LAN. The data is sent through the route that provides the best performance for the client. Figure 1-2 shows an access point acting as a repeater. Consult the “Configuring a Repeater

Access Point” section on page 19-3 for instructions on setting up an access point as a repeater.

Note Non-Cisco client devices might have difficulty communicating with repeater access points.

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Chapter 1 Overview

Access point Repeater

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Root bridge Non-root bridge

135447

Bridges

Network Configuration Examples

Figure 1-2 Access Point as Repeater

The 1140, 1200, 1240, and 1250 series access points and the 1300 access point/bridge can be configured as root or non-root bridges. In this role, an access point establishes a wireless link with a non-root bridge. Traffic is passed over the link to the wired LAN. Access points in root and non-root bridge roles can be configured to accept associations from clients. Figure 1-3 shows an access point configured as a root bridge with clients. Figure 1-4 shows two access points configured as a root and non-root bridge, both accepting client associations. Consult the “Configuring the Role in Radio Network” section on page 6-2 for instructions on setting up an access point as a bridge.

When wireless bridges are used in a point-to-multipoint configuration the throughput is reduced depending on the number of non-root bridges that associate with the root bridge. The maximum throughput is about 25 Mbps in a point to point link. The addition of three bridges to form a point-to-multipoint network reduces the throughput to about 12.5 Mbps.

Figure 1-3 Access Point as a Root Bridge with Clients

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Network Configuration Examples

Root bridge Non-root bridge

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Access point

Workgroup bridge

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Figure 1-4 Access Points as Root and Non-root Bridges with Clients

Workgroup Bridge

You can configure access points as workgroup bridges. In workgroup bridge mode, the unit associates to another access point as a client and provides a network connection for the devices connected to its Ethernet port. For example, if you need to provide wireless connectivity for a group of network printers, you can connect the printers to a hub or to a switch, connect the hub or switch to the access point Ethernet port, and configure the access point as a workgroup bridge. The workgroup bridge associates to an access point on your network.

If your access point has multiple radios, either radio can function in workgroup bridge mode..

Chapter 1 Overview

Figure 1-5 shows an access point configured as a workgroup bridge. Consult the “Understanding Workgroup Bridge Mode” section on page 19-13 and the “Configuring Workgroup Bridge Mode” section on page 19-18 for information on configuring your access point as a workgroup bridge.

Figure 1-5 Access Point as a Workgroup Bridge

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Chapter 1 Overview

Access point

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Central Unit in an All-Wireless Network

In an all-wireless network, an access point acts as a stand-alone root unit. The access point is not attached to a wired LAN; it functions as a hub linking all stations together. The access point serves as the focal point for communications, increasing the communication range of wireless users. Figure 1-6 shows an access point in an all-wireless network.

Figure 1-6 Access Point as Central Unit in All-Wireless Network

Network Configuration Examples

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Network Configuration Examples

Chapter 1 Overview

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CHA P T ER

Using the Web-Browser Interface

This chapter describes the web-browser interface that you can use to configure the wireless device. This chapter contains the following sections:

• Using the Web-Browser Interface for the First Time, page 2-2

• Using the Management Pages in the Web-Browser Interface, page 2-2

• Enabling HTTPS for Secure Browsing, page 2-4

• Using Online Help, page 2-13

• Disabling the Web-Browser Interface, page 2-14

The web-browser interface contains management pages that you use to change the wireless device settings, upgrade firmware, and monitor and configure other wireless devices on the network.

Note The wireless device web-browser interface is fully compatible with Microsoft Internet Explorer

Version 6.0 on Windows 98, 2000, and XP platforms, Mozilla Firefox Version 2 on Windows 98, 2000, and XP platforms, and with Netscape Version 7.0 on Windows 98, 2000, XP, and Solaris platforms.

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Note Avoid using both the CLI and the web-browser interfaces to configure the wireless device. If you

configure the wireless device using the CLI, the web-browser interface might display an inaccurate interpretation of the configuration. However, the inaccuracy does not necessarily mean that the wireless device is misconfigured.

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Chapter 2 Using the Web-Browser Interface

Using the Web-Browser Interface for the First Time

Use the wireless device IP address to browse to the management system. See the “Logging into the

Access Point” section on page 4-4 for instructions on assigning an IP address to the wireless device.

Follow these steps to begin using the web-browser interface:

Step 1 Start the browser.

Step 2 Enter the wireless device IP address in the browser Location field (Netscape Communicator) or Address

field (Internet Explorer) and press Enter. The Summary Status page appears.

Using the Management Pages in the Web-Browser Interface

The system management pages use consistent techniques to present and save configuration information. A navigation bar is on the left side of the page, and configuration action buttons appear at the bottom. You use the navigation bar to browse to other management pages, and you use the configuration action buttons to save or cancel changes to the configuration.

Note It is important to remember that clicking your web-browser Back button returns you to the previous page

without saving any changes you have made. Clicking Cancel cancels any changes you made in the page and keeps you on that page. Changes are only applied when you click Apply.

Figure 2-1 shows the web-browser interface home page.

Figure 2-1 Web-Browser Interface Home Page

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Chapter 2 Using the Web-Browser Interface

Using Action Buttons

Table 2-1 lists the page links and buttons that appear on most management pages.

Table 2-1 Common Buttons on Management Pages

Button/Link Description

Navigation Links

Home Displays wireless device status page with information on the number of radio

Express Setup Displays the Express Setup page that includes basic settings such as system

Express Security Displays the Express Security page that you use to create SSID and assign

Network Map Displays a list of infrastructure devices on your wireless LAN.

Association Displays a list of all devices on your wireless LAN, listing their system names,

Network Interfaces Displays status and statistics for the Ethernet and radio interfaces and provides

Security Displays a summary of security settings and provides links to security

Services Displays status for several wireless device features and links to configuration

Wireless Services Displays a summary of wireless services used with CCKM and provides links

System Software Displays the Version number of the firmware that the wireless device is

Event Log Displays the wireless device event log and provides links to configuration

Configuration Action Buttons

Apply Saves changes made on the page and remains on the page.

Refresh Updates status information or statistics displayed on a page.

Cancel Discards changes to the page and remains on the page.

Back Discards any changes made to the page and returns to the previous page.

Using the Management Pages in the Web-Browser Interface

devices associated to the wireless device, the status of the Ethernet and radio interfaces, and a list of recent wireless device activity.

name, IP address, and role in radio network.

security settings to them.

network roles, and parent-client relationships.

links to configuration pages for each interface.

configuration pages.

pages for Telnet/SSH, CDP, domain name server, filters, QoS, SNMP, SNTP, and VLANs.

to WDS configuration pages.

running and provides links to configuration pages for upgrading and managing firmware.

pages where you can select events to be included in traps, set event severity levels, and set notification methods.

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Enabling HTTPS for Secure Browsing

Character Restrictions in Entry Fields

Because the 1200 series access point uses Cisco IOS software, there are certain characters that you cannot use in the entry fields on the web-browser interface:

“ ] + /

Tab

Trailing space

Enabling HTTPS for Secure Browsing

You can protect communication with the access point web-browser interface by enabling HTTPS. HTTPS protects HTTP browser sessions by using the Secure Socket Layer (SSL) protocol.

Chapter 2 Using the Web-Browser Interface

Note When you enable HTTPS, your browser might lose its connection to the access point. If you lose the

connection, change the URL in your browser address line from http://ip_address to https://ip_address and log into the access point again.

Note When you enable HTTPS, most browsers prompt you for approval each time you browse to a device that

does not have a fully qualified domain name (FQDN). To avoid the approval prompts, complete Step 2 through Step 9 in these instructions to create an FQDN for the access point. However, if you do not want to create an FQDN, skip to Step 10.

Follow these steps to create an FQDN and enable HTTPS:

Step 1 If your browser uses popup-blocking software, disable the popup-blocking feature.

Step 2 Browse to the Express Setup page. Figure 2-2 shows the Express Setup page.

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Chapter 2 Using the Web-Browser Interface

Figure 2-2 Express Setup Page

Enabling HTTPS for Secure Browsing

Step 3

Step 4 Browse to the Services – DNS page. Figure 2-3 shows the Services – DNS page.

Enter a name for the access point in the System Name field and click Apply.

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Enabling HTTPS for Secure Browsing

Figure 2-3 Services – DNS Page

Chapter 2 Using the Web-Browser Interface

Step 5

Step 6 In the Domain Name field, enter your company domain name.

Step 7 Enter at least one IP address for your DNS server in the Name Server IP Addresses entry fields.

Step 8 Click Apply. The access point FQDN is a combination of the system name and the domain name. For

Click Enable for DNS.

example, if your system name is ap1100 and your domain name is company.com, the FQDN is ap1100.company.com.

Step 9 Enter the FQDN on your DNS server.

Tip If you do not have a DNS server, you can register the access point FQDN with a dynamic DNS service.

Search the Internet for dynamic DNS to find a fee-based DNS service.

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Chapter 2 Using the Web-Browser Interface

Step 10 Browse to the Services: HTTP Web Server page. Figure 2-4 shows the HTTP Web Server page:

Figure 2-4 Services: HTTP Web Server Page

Enabling HTTPS for Secure Browsing

Step 11

Step 12 Enter a domain name and click Apply.

Select the Enable Secure (HTTPS) Browsing check box and click Apply.

Note Although you can enable both standard HTTP and HTTPS, We recommend that you enable one

or the other.

A warning appears stating that you will use HTTPS to browse to the access point. The warning also instructs you to change the URL that you use to browse to the access point from http to https. Figure 2-5 shows the warning.

Figure 2-5 HTTPS Warning Window

Step 13

Click OK. The address in your browser address line changes from http://ip-address to https://ip-address.

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Enabling HTTPS for Secure Browsing

Step 14 Another warning appears stating that the access point security certificate is valid but is not from a known

source. However, you can accept the certificate with confidence because the site in question is your own access point. Figure 2-6 shows the certificate warning window.

Figure 2-6 Security Alert Window

Chapter 2 Using the Web-Browser Interface

Step 15 Click View Certificate to accept the certificate before proceeding. (To proceed without accepting the

certificate, click Yes , and skip to Step 24.) Figure 2-7 shows the Certificate window.

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Chapter 2 Using the Web-Browser Interface

Figure 2-7 Certificate Window

Enabling HTTPS for Secure Browsing

Step 16

In the Certificate window, click Install Certificate. The Microsoft Windows Certificate Import Wizard appears. Figure 2-8 shows the Certificate Import Wizard screen.

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Enabling HTTPS for Secure Browsing

Figure 2-8 Certificate Import Wizard

Chapter 2 Using the Web-Browser Interface

Step 17

Click Next. The next screen asks where you want to store the certificate. We recommend that you use the default storage area on your system. Figure 2-9 shows the Certificate Storage Area Screen.

Figure 2-9 Certificate Storage Area Screen

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Step 18

Click Next to accept the default storage area. The Certificate Storage Area Screen appears that states that you successfully imported the certificate. Figure 2-10 shows the Certificate Completion Screen.

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Chapter 2 Using the Web-Browser Interface

Figure 2-10 Certificate Completion Screen

Enabling HTTPS for Secure Browsing

Step 19

Step 20

Click Finish. Windows displays a final security warning. Figure 2-11 shows the security warning.

Figure 2-11 Certificate Security Warning

Click Ye s. Windows displays Certificate Completion Screen stating that the installation is successful.

Figure 2-12 shows the Import Successful Screen.

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Enabling HTTPS for Secure Browsing

Figure 2-12 Import Successful Screen

Step 21 Click OK.

Step 22 On the Certificate window shown in Figure 2-7, which is still displayed, click OK.

Step 23 On the Security Alert window shown in Figure 2-6, click Yes .

Step 24 The access point login window appears and you must log in to the access point again. The default user

name is Cisco (case-sensitive) and the default password is Cisco (case-sensitive).

CLI Configuration Example

Chapter 2 Using the Web-Browser Interface

This example shows the CLI commands that are equivalent to the steps listed in the “Enabling HTTPS

for Secure Browsing” section on page 2-4:

AP# configure terminal AP(config)# hostname ap1100 AP(config)# ip domain name company.com AP(config)# ip name-server 10.91.107.18 AP(config)# ip http secure-server AP(config)# end

In this example, the access point system name is ap1100, the domain name is company.com, and the IP address of the DNS server is 10.91.107.18.

For complete descriptions of the commands used in this example, consult the Cisco IOS Commands Master List, Release 12.4. Click this link to browse to the master list of commands:

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124mindx/124htnml.htm

Deleting an HTTPS Certificate

The access point generates a certificate automatically when you enable HTTPS. However, if you need to change the fully qualified domain name (FQDN) for an access point, or you need to add an FQDN after enabling HTTPS, you might need to delete the certificate. Follow these steps:

Step 1 Browse to the Services: HTTP Web Server page.

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Step 2 Uncheck the Enable Secure (HTTPS) Browsing check box to disable HTTPS.

Step 3 Click Delete Certificate to delete the certificate.

Step 4 Re-enable HTTPS. The access point generates a new certificate using the new FQDN.

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Chapter 2 Using the Web-Browser Interface

Using Online Help

Click the help icon at the top of any page in the web-browser interface to display online help. Figure 2-13 shows the help and print icons.

Figure 2-13 Help and Print Icons

When a help page appears in a new browser window, use the Select a topic drop-down list to display the help index or instructions for common configuration tasks, such as configuring VLANs.

Changing the Location of Help Files

Cisco maintains up-to-date HTML help files for access points on the Cisco website. By default, the access point opens a help file on Cisco.com when you click the help button on the access point web-browser interface. However, you can install the help files on your network so your access points can access them there. Follow these steps to install the help files locally:

Using Online Help

Step 1 Download the help files from the Software Center on Cisco.com. Click this link to browse to the

Software Center Wireless Software page:

http://tools.cisco.com/support/downloads/pub/MDFTree.x?butype=wireless

Select the help files that match the software Version on your access point.

Step 2 Unzip the help files on your network in a directory accessible to your access point. When you unzip the

help files, the HTML help pages are stored in a folder named according to the help Version number and access point model number.

Step 3 Browse to the Services: HTTP Web Server page in the access point web-browser interface.

Step 4 In the Default Help Root URL entry field, enter the complete path to the location where you unzipped

the help files. When you click the access point help button, the access point automatically appends the help Version number and model number to the path that you enter.

Note Do not add the help Version number and device model number to the Default Help Root URL entry. The

access point automatically adds the help Version and model number to the help root URL.

If you unzip the help files on your network file server at //myserver/myhelp, your Default Help Root URL looks like this:

http://myserver/myhelp

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Disabling the Web-Browser Interface

Table 2-2 shows an example help location and Help Root URL for an 1100 series access point.

Table 2-2 Example Help Root URL and Help Location

Files Unzipped at This Location Default Help Root URL Actual Location of Help Files

//myserver/myhelp http://myserver/myhelp //myserver/myhelp/123-02.JA/1100

Step 5 Click Apply.

Disabling the Web-Browser Interface

To prevent all use of the web-browser interface, select the Disable Web-Based Management check box on the Services: HTTP-Web Server page and click Apply.

To re-enable the web-browser interface, enter this global configuration command on the access point CLI:

ap(config)# ip http server

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CHA P T ER

Using the Command-Line Interface

This chapter describes the Cisco IOS command-line interface (CLI) that you can use to configure the wireless device. It contains the following sections:

• Cisco IOS Command Modes, page 3-2

• Getting Help, page 3-3

• Abbreviating Commands, page 3-3

• Using the no and Default Forms of Commands, page 3-4

• Understanding CLI Messages, page 3-4

• Using Command History, page 3-4

• Using Editing Features, page 3-6

• Searching and Filtering Output of show and more Commands, page 3-8

• Accessing the CLI, page 3-9

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Cisco IOS Command Modes

The Cisco IOS user interface is divided into many different modes. The commands available to you depend on which mode you are currently in. Enter a question mark (?) at the system prompt to obtain a list of commands available for each command mode.

When you start a session on the wireless device, you begin in user mode, often called user EXEC mode. A subset of the Cisco IOS commands are available in user EXEC mode. For example, most of the user EXEC commands are one-time commands, such as show commands, which show the current configuration status, and clear commands, which clear counters or interfaces. The user EXEC commands are not saved when the wireless device reboots.

To have access to all commands, you must enter privileged EXEC mode. Normally, you must enter a password to enter privileged EXEC mode. From this mode, you must enter privileged EXEC mode before you can enter the global configuration mode.

Using the configuration modes (global, interface, and line), you can make changes to the running configuration. If you save the configuration, these commands are stored and used when the wireless device reboots. To access the various configuration modes, you must start at global configuration mode. From global configuration mode, you can enter interface configuration mode and line configuration mode.

Tabl e 3-1 describes the main command modes, how to access each one, the prompt you see in that mode, and

how to exit the mode. The examples in the table use the host name ap.

Chapter 3 Using the Command-Line Interface

Table 3-1 Command Mode Summary

Mode Access Method Prompt Exit Method About This Mode

User EXEC Begin a session with

the wireless device.

ap>

Enter logout or quit. Use this mode to:

• Change terminal settings

• Perform basic tests

• Display system

information

Privileged EXEC While in user EXEC

mode, enter the enable command.

Global configuration While in privileged

EXEC mode, enter the configure

ap#

ap(config)#

Enter disable to exit. Use this mode to verify

commands. Use a password to protect access to this mode.

To exit to privileged EXEC mode, enter exit or end, or press Ctrl-Z.

Use this mode to configure parameters that apply to the entire wireless device.

command.

Interface configuration

While in global configuration mode, enter the interface command (with a specific interface).

ap(config-if) #

To exit to global configuration mode, enter exit. To return to privileged EXEC mode, press Ctrl-Z or enter end.

Use this mode to configure parameters for the Ethernet and radio interfaces.

The 2.4-GHz radio and the

802.11n 2.4-GHz radio is radio 0,

The 5-GHz radio and the

802.11n 5-GHz radio is radio 1.

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Chapter 3 Using the Command-Line Interface

Getting Help

You can enter a question mark (?) at the system prompt to display a list of commands available for each command mode. You can also obtain a list of associated keywords and arguments for any command, as shown in Table 3-2 .

Table 3-2 Help Summary

Command Purpose

help Obtains a brief description of the help system in any command mode.

abbreviated-command-entry? Obtains a list of commands that begin with a particular character string.

For example:

ap# di? dir disable disconnect

abbreviated-command-entry<Tab > Completes a partial command name.

For example:

ap# sh conf<tab> ap# show configuration

? Lists all commands available for a particular command mode.

For example:

ap> ?

command ? Lists the associated keywords for a command.

Getting Help

For example:

ap> show ?

command keyword ? Lists the associated arguments for a keyword.

For example:

ap(config)# cdp holdtime ? <10-255> Length of time (in sec) that receiver must keep this packet

Abbreviating Commands

You have to enter only enough characters for the wireless device to recognize the command as unique. This example shows how to enter the show configuration privileged EXEC command:

ap# show conf

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Chapter 3 Using the Command-Line Interface

Using the no and Default Forms of Commands

Most configuration commands also have a no form. In general, use the no form to disable a feature or function or reverse the action of a command. For example, the no shutdown interface configuration command reverses the shutdown of an interface. Use the command without the keyword no to re-enable a disabled feature or to enable a feature that is disabled by default.

Configuration commands can also have a default form. The default form of a command returns the command setting to its default. Most commands are disabled by default, so the default form is the same as the no form. However, some commands are enabled by default and have variables set to certain default values. In these cases, the default command enables the command and sets variables to their default values.

Understanding CLI Messages

Table 3-3 lists some error messages that you might encounter while using the CLI to configure the

wireless device.

Table 3-3 Common CLI Error Messages

Error Message Meaning How to Get Help

% Ambiguous command: "show con"

% Incomplete command.

% Invalid input detected at ‘^’ marker.

You did not enter enough characters for the wireless device to recognize the command.

You did not enter all the keywords or values required by this command.

You entered the command incorrectly. The caret (^) marks the point of the error.

Re-enter the command followed by a question mark (?) with a space between the command and the question mark.

The possible keywords that you can enter with the command are displayed.

Re-enter the command followed by a question mark (?) with a space between the command and the question mark.

The possible keywords that you can enter with the command are displayed.

Enter a question mark (?) to display all the commands that are available in this command mode.

The possible keywords that you can enter with the command are displayed.

Using Command History

The CLI provides a history or record of commands that you have entered. This feature is particularly useful for recalling long or complex commands or entries, including access lists. You can customize the command history feature to suit your needs as described in these sections:

• Changing the Command History Buffer Size, page 3-5

• Recalling Commands, page 3-5

3-4

• Disabling the Command History Feature, page 3-5

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Chapter 3 Using the Command-Line Interface

Changing the Command History Buffer Size

By default, the wireless device records ten command lines in its history buffer. Beginning in privileged EXEC mode, enter this command to change the number of command lines that the wireless device records during the current terminal session:

ap# terminal history [size number-of-lines]

The range is from 0 to 256.

Beginning in line configuration mode, enter this command to configure the number of command lines the wireless device records for all sessions on a particular line:

ap(config-line)# history [size number-of-lines]

The range is from 0 to 256.

Recalling Commands

To recall commands from the history buffer, perform one of the actions listed in Tab l e 3- 4 .

Using Command History

Table 3-4 Recalling Commands

Action

Press Ctrl-P or the up arrow key. Recall commands in the history buffer, beginning with the most recent command.

Press Ctrl-N or the down arrow key. Return to more recent commands in the history buffer after recalling commands

show history While in privileged EXEC mode, list the last several commands that you just

1. The arrow keys function only on ANSI-compatible terminals such as VT100s.

Result

Repeat the key sequence to recall successively older commands.

with Ctrl-P or the up arrow key. Repeat the key sequence to recall successively more recent commands.

entered. The number of commands that are displayed is determined by the setting of the terminal history global configuration command and history line configuration command.

Disabling the Command History Feature

The command history feature is automatically enabled.

To disable the feature during the current terminal session, enter the terminal no history privileged EXEC command.

To disable command history for the line, enter the no history line configuration command.

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Using Editing Features

This section describes the editing features that can help you manipulate the command line. It contains these sections:

• Enabling and Disabling Editing Features, page 3-6

• Editing Commands Through Keystrokes, page 3-6

• Editing Command Lines that Wrap, page 3-7

Enabling and Disabling Editing Features

Although enhanced editing mode is automatically enabled, you can disable it.

To re-enable the enhanced editing mode for the current terminal session, enter this command in privileged EXEC mode:

ap# terminal editing

To reconfigure a specific line to have enhanced editing mode, enter this command in line configuration mode:

ap(config-line)# editing

Chapter 3 Using the Command-Line Interface

To globally disable enhanced editing mode, enter this command in line configuration mode:

ap(config-line)# no editing

Editing Commands Through Keystrokes

Table 3-5 shows the keystrokes that you need to edit command lines.

Table 3-5 Editing Commands Through Keystrokes

Capability Keystroke

Move around the command line to make changes or corrections.

Recall commands from the buffer and paste them in the command line. The wireless device provides a buffer with the last ten items that you deleted.

Ctrl-B or the left arrow key

Ctrl-F or the right arrow key

Ctrl-A Move the cursor to the beginning of the command line.

Ctrl-E Move the cursor to the end of the command line.

Esc B Move the cursor back one word.

Esc F Move the cursor forward one word.

Ctrl-T Transpose the character to the left of the cursor with the

Ctrl-Y Recall the most recent entry in the buffer.

Esc Y Recall the next buffer entry.

Purpose

Move the cursor back one character.

Move the cursor forward one character.

character located at the cursor.

The buffer contains only the last 10 items that you have deleted or cut. If you press Esc Y more than ten times, you cycle to the first buffer entry.

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Table 3-5 Editing Commands Through Keystrokes (continued)

Using Editing Features

Capability Keystroke

Delete entries if you make a mistake or change your mind.

Delete or Backspace Erase the character to the left of the cursor.

Ctrl-D Delete the character at the cursor.

Ctrl-K Delete all characters from the cursor to the end of the

Ctrl-U or Ctrl-X Delete all characters from the cursor to the beginning of

Ctrl-W Delete the word to the left of the cursor.

Esc D Delete from the cursor to the end of the word.

Capitalize or lowercase words or capitalize a set of letters.

Esc C Capitalize at the cursor.

Esc L Change the word at the cursor to lowercase.

Esc U Capitalize letters from the cursor to the end of the word.

Designate a particular keystroke as

Ctrl-V or Esc Q an executable command, perhaps as a shortcut.

Scroll down a line or screen on displays that are longer than the terminal screen can display.

Note The More prompt appears for

Return Scroll down one line.

Space Scroll down one screen.

output that has more lines than can be displayed on the terminal screen, including show command output. You can use the Return and Space bar keystrokes whenever you see the

prompt.

Redisplay the current command line

Ctrl-L or Ctrl-R Redisplay the current command line. if the wireless device suddenly sends a message to your screen.

1. The arrow keys function only on ANSI-compatible terminals such as VT100s.

Purpose

command line.

the command line.

Editing Command Lines that Wrap

You can use a wraparound feature for commands that extend beyond a single line on the screen. When the cursor reaches the right margin, the command line shifts ten spaces to the left. You cannot see the first ten characters of the line, but you can scroll back and check the syntax at the beginning of the command.

To scroll back to the beginning of the command entry, press Ctrl-B or the left arrow key repeatedly. You can also press Ctrl-A to immediately move to the beginning of the line.

Note The arrow keys function only on ANSI-compatible terminals such as VT100s.

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Searching and Filtering Output of show and more Commands

In this example, the access-list global configuration command entry extends beyond one line. When the cursor first reaches the end of the line, the line is shifted ten spaces to the left and redisplayed. The dollar sign ($) shows that the line has been scrolled to the left. Each time the cursor reaches the end of the line, the line is again shifted ten spaces to the left.

ap(config)# access-list 101 permit tcp 131.108.2.5 255.255.255.0 131.108.1 ap(config)# $ 101 permit tcp 131.108.2.5 255.255.255.0 131.108.1.20 255.25 ap(config)# $t tcp 131.108.2.5 255.255.255.0 131.108.1.20 255.255.255.0 eq ap(config)# $108.2.5 255.255.255.0 131.108.1.20 255.255.255.0 eq 45

After you complete the entry, press Ctrl-A to check the complete syntax before pressing the Return key to execute the command. The dollar sign ($) appears at the end of the line to show that the line has been scrolled to the right:

ap(config)# access-list 101 permit tcp 131.108.2.5 255.255.255.0 131.108.1$

The software assumes you have a terminal screen that is 80 columns wide. If you have a width other than that, use the terminal width privileged EXEC command to set the width of your terminal.

Use line wrapping with the command history feature to recall and modify previous complex command entries. For information about recalling previous command entries, see the “Editing Commands Through

Keystrokes” section on page 3-6.

Chapter 3 Using the Command-Line Interface

Searching and Filtering Output of show and more Commands

You can search and filter the output for show and more commands. This is useful when you need to sort through large amounts of output or if you want to exclude output that you do not need to see.

To use this functionality, enter a show or more command followed by the pipe character (|), one of the keywords begin, include, or exclude, and an expression that you want to search for or filter out:

command | {begin | include | exclude} regular-expression

Expressions are case sensitive. For example, if you enter | exclude output, the lines that contain output are not displayed, but the lines that contain Output are displayed.

This example shows how to include in the output display only lines where the expression protocol appears:

ap# show interfaces | include protocol Vlan1 is up, line protocol is up Vlan10 is up, line protocol is down GigabitEthernet0/1 is up, line protocol is down GigabitEthernet0/2 is up, line protocol is up

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Accessing the CLI

You can open the wireless device CLI using Telnet or Secure Shell (SSH).

Opening the CLI with Telnet

Follow these steps to open the CLI with Telnet. These steps are for a PC running Microsoft Windows with a Telnet terminal application. Check your PC operating instructions for detailed instructions for your operating system.

Step 1 Select Start > Programs > Accessories > Telnet.

If Telnet is not listed in your Accessories menu, select Start > Run, type Tel ne t in the entry field, and press Enter.

Step 2 When the Telnet window appears, click Connect and select Remote System.

Note In Windows 2000, the Telnet window does not contain drop-down lists. To start the Telnet

session in Windows 2000, type open followed by the wireless device IP address.

Accessing the CLI

Step 3 In the Host Name field, type the wireless device IP address and click Connect.

Step 4 At the username and password prompts, enter your administrator username and password. The default

username is Cisco, and the default password is Cisco. The default enable password is also Cisco. Usernames and passwords are case-sensitive.

Opening the CLI with Secure Shell

Secure Shell Protocol is a protocol that provides a secure, remote connection to networking devices set up to use it. Secure Shell (SSH) is a software package that provides secure login sessions by encrypting the entire session. SSH features strong cryptographic authentication, strong encryption, and integrity protection. For detailed information on SSH, visit the homepage of SSH Communications Security, Ltd. at this URL: http://www.ssh.com/

SSH provides more security for remote connections than Telnet by providing strong encryption when a device is authenticated. SSH versions 1 and 2 are supported in this release. See the “Configuring the

Access Point for Secure Shell” section on page 5-27 for detailed instructions on setting up the wireless

device for SSH access.

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Chapter 3 Using the Command-Line Interface

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CHA P T ER

Configuring the Access Point for the First Time

This chapter describes how to configure basic settings on the wireless device for the first time. The contents of this chapter are similar to the instructions in the quick start guide that shipped with the wireless device. You can configure all the settings described in this chapter using the CLI, but it might be simplest to browse to the wireless device web-browser interface to complete the initial configuration and then use the CLI to enter additional settings for a more detailed configuration.

This chapter contains the following sections:

• Before You Start, page 4-2

• Logging into the Access Point, page 4-4

• Obtaining and Assigning an IP Address, page 4-4

• Connecting to the 1100 Series Access Point Locally, page 4-5

• Connecting to the 1130 Series Access Point Locally, page 4-6

• Connecting to the 1040, 1140,1200, 1230, 1240, 1250, 1260, and 2600 Series Access Points Locally,

page 4-6

• Connecting to the 1300 Series Access Point/Bridge Locally, page 4-7

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• Default Radio Settings, page 4-8

• Assigning Basic Settings, page 4-8

• Configuring Basic Security Settings, page 4-16

• Configuring System Power Settings Access Points, page 4-26

• Assigning an IP Address Using the CLI, page 4-28

• Using a Telnet Session to Access the CLI, page 4-28

• Configuring the 802.1X Supplicant, page 4-29

• Configuring IPv6, page 4-32

Note In this release, the access point radio interfaces are disabled by default.

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Before You Start

Before you install the wireless device, make sure you are using a computer connected to the same network as the wireless device, and obtain the following information from your network administrator:

• A system name for the wireless device

• The case-sensitive wireless service set identifier (SSID) for your radio network

• If not connected to a DHCP server, a unique IP address for the wireless device (such as

172.17.255.115)

• If the wireless device is not on the same subnet as your PC, a default gateway address and subnet

mask

• A Simple Network Management Protocol (SNMP) community name and the SNMP file attribute (if

SNMP is in use)

• If you use IPSU to find the wireless device IP address, the access point MAC address. The MAC

address can be found on the label on the bottom of the access point (such as 00164625854c).

Chapter 4 Configuring the Access Point for the First Time

Resetting the Device to Default Settings

If you need to start over during the initial setup process, you can reset the access point to factory default settings.

Resetting to Default Settings Using the MODE Button

Follow these steps to reset the access point to factory default settings using the access point MODE button:

Step 1 Disconnect power (the power jack for external power or the Ethernet cable for in-line power) from the

access point.

Step 2 Press and hold the MODE button while you reconnect power to the access point.

Step 3 Hold the MODE button until the Status LED turns amber (approximately 1 to 2 seconds), and release the

button. All access point settings return to factory defaults.

Resetting to Default Settings Using the GUI

Follow these steps to return to the default settings using the access point GUI:

4-2

Step 1 Open your Internet browser. The web-browser interface is fully compatible with Microsoft Internet

Explorer Version 6.0 on Windows 98, 2000 and XP platforms, and with Netscape Version 7.0 on Windows 98, 2000, XP, and Solaris platforms.

Step 2 Enter the wireless device IP address in the browser address line and press Enter. An Enter Network

Password window appears.

Step 3 Enter your username in the User Name field. The default username is Cisco.

Step 4 Enter the wireless device password in the Password field and press Enter. The default password is Cisco.

The Summary Status page appears.

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Step 5 Click System Software and the System Software screen appears.

Step 6 Click System Configuration and the System Configuration screen appears.

Step 7 Click the Reset to Defaults button to reset all settings, including the IP address, to factory defaults. To

reset all settings except the IP address to defaults, click the Reset to Defaults (Except IP) button.

Resetting to Default Settings Using the CLI

Caution You should never delete any of the system files prior to resetting defaults or reloading software.

If you want to reset the access point to its default settings and a static IP address, use the write erase or erase /all nvram command. If you want to erase everything including the static IP address, in addition

to the above commands, use the erase and erase boot static-ipaddr static-ipmask command.

From the privileged EXEC mode, you can reset the access point/bridge configuration to factory default values using the CLI by following these steps:

Before You Start

Step 1 Enter erase nvram: to erase all NVRAM files including the startup configuration.

Note The erase nvram command does not erase a static IP address.

Step 2 Follow the step below to erase a static IP address and subnet mask. Otherwise, go to step 3.

a. Enter write default-config.

Step 3 Enter Y when the following CLI message displays: Erasing the nvram filesystem will remove all

configuration files! Continue? [confirm].

Step 4 Enter reload when the following CLI message displays: Erase of nvram: complete. This command

reloads the operating system.

Step 5 Enter Y when the following CLI message displays: Proceed with reload? [confirm].

Caution Do not interrupt the boot process to avoid damaging the configuration file. Wait until the access

point/bridge Install Mode LED begins to blink green before continuing with CLI configuration changes. You can also see the following CLI message when the load process has finished: Line protocal on Interface Dot11Radio0, changed state to up.

Step 6 After the access point/bridge reboots, you can reconfigure the access point by using the Web-browser

interface if you previously assigned a static IP address, or the CLI if you did not.

The access point is configured with the factory default values including the IP address (set to receive an IP address using DHCP). To obtain the new IP address for an access point/bridge, you can use the show interface bvi1 CLI command.

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Logging into the Access Point

A user can login to the access point using one of the following methods:

• graphical user interface (GUI)

• Telnet (if the AP is configured with an IP address)

• console port

Note Not all models of Cisco Aironet Access Points have the console port. If the access point does not have

a console port, use either the GUI or the Telnet for access.

For information on logging into the AP through the GUI, refer to Using the Web-Browser Interface for

the First Time, page 2-2.

For information on logging into the AP through the CLI refer to Accessing the CLI, page 3-9.

For information on logging into the AP through a console port refer to Connecting to the 1040,

1140,1200, 1230, 1240, 1250, 1260, and 2600 Series Access Points Locally, page 4-6.

Chapter 4 Configuring the Access Point for the First Time

Obtaining and Assigning an IP Address

To browse to the wireless device Express Setup page, you must either obtain or assign the wireless device IP address using one of the following methods:

• If you have an 1040, 1100, 1130AG, 1200, 1240, 1250, 1260 series access point or 1300 series

access point/bridge, connect to the access point console port and assign a static IP address. Follow the steps in the appropriate section to connect to the device console port:

–

Connecting to the 1130 Series Access Point Locally, page 4-6

–

Connecting to the 1130 Series Access Point Locally, page 4-6

–

Connecting to the 1040, 1140,1200, 1230, 1240, 1250, 1260, and 2600 Series Access Points Locally, page 4-6.

–

Connecting to the 1300 Series Access Point/Bridge Locally, page 4-7

Note In some terminal emulator applications you may need to set the Flow control parameter to

Xon/Xoff. If you are not able to console into the device with the flow control value set to none, try changing the flow control value to Xon/Xoff.

• Use a DHCP server (if available) to automatically assign an IP address. You can find out the

DHCP-assigned IP address using one of the following methods:

–

If you have a 1200 series access point, connect to the wireless device console port and use the show ip interface brief command to display the IP address.

4-4

If you have a 1040 or 1140 series access point, connect to the wireless device console port and use the show interface bvil command to display the IP address. Follow the steps in the

“Connecting to the 1130 Series Access Point Locally” section on page 4-6 o r in t h e “Connecting

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to the 1040, 1140,1200, 1230, 1240, 1250, 1260, and 2600 Series Access Points Locally” section on page 4-6 to connect to the console port.

–

Provide your network administrator with the wireless device Media Access Control (MAC) address. Your network administrator will query the DHCP server using the MAC address to identify the IP address. The access point MAC address is on label attached to the bottom of the access point.

Default IP Address Behavior

When you connect a 1040, 1130AG, 1140, 1200, 1240, 1250, 1260, 2600 access point, or 1300 series access point/bridge with a default configuration to your LAN, the access point requests an IP address from your DHCP server and, if it does not receive an address, continues to send requests indefinitely.

When you connect an 1100 series access point with a default configuration to your LAN, the 1100 series access point makes several attempts to get an IP address from the DHCP server. If it does not receive an address, it assigns itself the IP address 10.0.0.1 for five minutes. During this five-minute window, you can browse to the default IP address and configure a static address. If after five minutes the access point is not reconfigured, it discards the 10.0.0.1 address and reverts to requesting an address from the DHCP server. If it does not receive an address, it sends requests indefinitely. If you miss the five-minute window for browsing to the access point at 10.0.0.1, you can power-cycle the access point to repeat the process.

The 1300 series access point/bridge assumes a radio network role of a root access point. To configure it as a bridge, you must manually place it in install mode in order to align the antennas and establish a link. To establish the link you must have two access point/bridges configured in the install mode. In the install mode, one access point/bridge must be configured as a root bridge and the other a non-root bridge. To facilitate the configuration, an automatic option is available when the access point/bridge is in the install mode. After the wireless link is established and the bridge antennas are aligned, you take both access point/bridges out of install mode and place them on your LAN as root and non-root bridges.

Connecting to the 1100 Series Access Point Locally

If you need to configure the access point locally (without connecting the access point to a wired LAN), you can connect a PC to its Ethernet port using a Category 5 Ethernet cable. You can use a local connection to the Ethernet port much as you would use a serial port connection.

Note You do not need a special crossover cable to connect your PC to the access point; you can use

either a straight-through cable or a crossover cable.

If the access point is configured with default values and it does not receive an IP address from the DHCP server, it defaults to IP address 10.0.0.1 for five minutes. During that five minutes, you can browse to that IP address to configure the unit. If after five minutes the unit has not been reconfigured, it discards the 10.0.0.1 address and reverts to requesting an address from the DHCP server. If it does not receive an address, it sends requests indefinitely. If you miss the five-minute window for browsing to the access point at 10.0.0.1, you can power-cycle the access point to repeat the process.

Follow these steps to connect to the access point locally:

Step 1 Make sure that the PC you intend to use to configure the access point is configured with an IP address

from 10.0.0.2 to 10.0.0.10.

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Connecting to the 1130 Series Access Point Locally

Step 2 Connect your PC to the access point using a Category 5 Ethernet cable. You can use either a crossover

cable or a straight-through cable.

Step 3 Power on the access point.

Step 4 Follow the steps in the “Assigning Basic Settings” section on page 4-8. If you make a mistake and need

to start over, follow the steps in the “Resetting the Device to Default Settings” section on page 4-2.

Step 5 After configuring the access point, remove the Ethernet cable from your PC and connect the access point

to your wired LAN.

Note When you connect your PC to the access point or reconnect your PC to the wired LAN, you might need

to release and renew the IP address on the PC. On most PCs, you can perform a release and renew by rebooting your PC or by entering ipconfig /release and ipconfig /renew commands in a command prompt window. Consult your PC operating instructions for detailed instructions.

Connecting to the 1130 Series Access Point Locally

If you need to configure the access point locally (without connecting the access point to a wired LAN), you can connect a PC to its console port using a DB-9 to RJ-45 serial cable. Follow these steps to open the CLI by connecting to the access point console port:

Step 1 Open the access point cover.

Step 2 Connect a nine-pin, female DB-9 to RJ-45 serial cable to the RJ-45 serial port on the access point and

to the COM port on a computer. The Cisco part number for the DB-9 to RJ-45 serial cable is AIR-CONCAB1200. Browse to http://www.cisco.com/go/marketplace to order a serial cable.

Step 3 Set up a terminal emulator to communicate with the access point. Use the following settings for the

terminal emulator connection: 9600 baud, 8 data bits, no parity, 1 stop bit, and no flow control.

Note If xon/xoff flow control does not work, use no flow control.

Step 4 When connected, press enter or type en to access the command prompt. Pressing enter takes you to the

user exec mode. entering en prompts you for a password, then takes you to the privileged exec mode. The default password is Cisco and is case-sensitive.

Connecting to the 1040, 1140,1200, 1230, 1240, 1250, 1260, and 2600 Series Access Points Locally

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Step 1 Connect a nine-pin, female DB-9 to RJ-45 serial cable to the RJ-45 serial port on the access point and

to the COM port on a computer. The Cisco part number for the DB-9 to RJ-45 serial cable is AIR-CONCAB1200. Browse to http://www.cisco.com/go/marketplace to order a serial cable.

Step 2 Set up a terminal emulator to communicate with the access point. Use the following settings for the

terminal emulator connection: 9600 baud, 8 data bits, no parity, 1 stop bit, and no flow control.

Note If xon/xoff flow control does not work, use no flow control.

Step 3 When connected, press enter or type en to access the command prompt. Pressing enter takes you to the

user exec mode. Entering en prompts you for a password, then takes you to the privileged exec mode. The default password is Cisco and is case-sensitive.

Note When your configuration changes are completed, you must remove the serial cable from the

access point.

Connecting to the 1300 Series Access Point/Bridge Locally

If you need to configure the access point/bridge locally (without connecting the access point/bridge to a wired LAN), you can connect a PC to the Ethernet port on the long-reach power injector using a Category 5 Ethernet cable. You can use a local connection to the power injector Ethernet port the same as you would use a serial port connection.

Note You do not need a special crossover cable to connect your PC to the power injector; you can use either

a straight-through cable or a crossover cable.

Follow these steps to connect to the bridge locally:

Step 1 Make sure that the PC you intend to use is configured to obtain an IP address automatically, or manually

assign it an IP address within the same subnet as the access point/bridge IP address. For example, if you assigned the access point/bridge an IP address of 10.0.0.1, assign the PC an IP address of 10.0.0.20.

Step 2 With the power cable disconnected from the power injector, connect your PC to the power injector using

a Category 5 Ethernet cable. You can use either a crossover cable or a straight-through cable.

Note Communication takes place between the power injector and the access point/bridge using

Ethernet Port 0. Do not attempt to change any of the Ethernet Port 0 settings.

Step 3 Connect the power injector to the access point/bridge using dual coaxial cables.

Step 4 Connect the power injector power cable and power on the access point/bridge.

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Step 5 Follow the steps in the “Assigning Basic Settings” section on page 4-8. If you make a mistake and need

to start over, follow the steps in the “Resetting the Device to Default Settings” procedure on page 4-2.

Step 6 After configuring the access point/bridge, remove the Ethernet cable from your PC and connect the

power injector to your wired LAN.

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Default Radio Settings

Note When you connect your PC to the access point/bridge or reconnect your PC to the wired LAN,

you might need to release and renew the IP address on the PC. On most PCs, you can perform a release and renew by rebooting your PC or by entering ipconfig /release and ipconfig /renew commands in a command prompt window. Consult your PC operating instructions for detailed instructions.

Default Radio Settings

Beginning with Cisco IOS Release 12.3(8)JA, access point radios are disabled and no default SSID is assigned. This was done in order to prevent unauthorized users to access a customer wireless network through an access point having a default SSID and no security settings. You must create an SSID before you can enable the access point radio interfaces.

See Chapter 6, “Configuring Radio Settings” for additional information.

Chapter 4 Configuring the Access Point for the First Time

Assigning Basic Settings

After you determine or assign the wireless device IP address, you can browse to the wireless device Express Setup page and perform an initial configuration:

Step 1 Open your Internet browser. The wireless device web-browser interface is fully compatible with

Microsoft Internet Explorer Version 6.0 on Windows 98, 2000, XP platforms, and with Netscape Version

7.0 on Windows 98, 2000, XP, and Solaris platforms.

Step 2 Enter the wireless device IP address in the browser address line and press Enter. An Enter Network

Password screen appears.

Step 3 Press Ta b to bypass the Username field and advance to the Password field.

Step 4 Enter the case-sensitive password Cisco and press Enter. The Summary Status page appears. A typical

Summary Status page is shown in Figure 4-1. Your page may differ depending on the access point model you are using.

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Figure 4-1 Summary Status Page

Assigning Basic Settings

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Step 5

Click Express Setup. The Express Setup screen appears. Figure 4-2 and Figure 4-3 shows the Express Setup page for the 1100 series access points. Your pages may differ depending on the access point model you are using.

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Chapter 4 Configuring the Access Point for the First Time

Figure 4-2 Express Setup Page for 1100 Series Access Points

Figure 4-3 Express Setup Page for 1130, 1200, and 1240 Series Access Points

4-10

Note Figure 4-3 shows the Express Setup page for an 1130 series access point. The 1200 series is similar, but

does not support the universal workgroup bridge role.

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Figure 4-4 Express Setup Page for 1040, 1140, 1260 and 1260 Series Access Points

Assigning Basic Settings

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Chapter 4 Configuring the Access Point for the First Time

Figure 4-5 Express Setup Page for the 1300 Series Access Point/Bridge

Step 6 Enter the configuration settings you obtained from your system administrator. The configurable settings

include:

• Host Name—The host name, while not an essential setting, helps identify the wireless device on

your network. The host name appears in the titles of the management system pages.

Note You can enter up to 32 characters for the system name. However, when the wireless device

identifies itself to client devices, it uses only the first 15 characters in the system name. If it is important for client users to distinguish between wireless devices, make sure that a unique portion of the system name appears in the first 15 characters.

Note When you change the system name, the wireless device resets the radios, causing associated

client devices to disassociate and quickly reassociate.

• Configuration Server Protocol—Click the radio button that matches the network method of IP

address assignment.

–

DHCP—IP addresses are automatically assigned by your network DHCP server.

–

Static IP—The wireless device uses a static IP address that you enter in the IP address field.

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• IP Address—Use this setting to assign or change the wireless device IP address. If DHCP is enabled

for your network, leave this field blank.

Note If the wireless device IP address changes while you are configuring the wireless device using the

web-browser interface or a Telnet session over the wired LAN, you lose your connection to the wireless device. If you lose your connection, reconnect to the wireless device using its new IP address. Follow the steps in the “Resetting the Device to Default Settings” section on page 4-2 if you need to start over.

• IP Subnet Mask—Enter the IP subnet mask provided by your network administrator so the IP

address can be recognized on the LAN. If DHCP is enabled, leave this field blank.

• Default Gateway—Enter the default gateway IP address provided by your network administrator.

If DHCP is enabled, leave this field blank.

• SNMP Community—If your network is using SNMP, enter the SNMP Community name provided

by your network administrator and select the attributes of the SNMP data (also provided by your network administrator).

• Role in Radio Network—Click the button that describes the role of the wireless device on your

network. Select Access Point (Root) if the wireless device is connected to the wired LAN. Select Repeater (Non-Root) if it is not connected to the wired LAN.

–

Access Point—A root device; accepts associations from clients and bridges wireless traffic from the clients to the wireless LAN. This setting can be applied to any access point.

–

Repeater—A non-root device; accepts associations from clients and bridges wireless traffic from the clients to root access point connected to the wireless LAN. This setting can be applied to any access point.

Assigning Basic Settings

–

Root Bridge—Establishes a link with a non-root bridge. In this mode, the device also accepts associations from clients. This setting is available only for the 1200 and 1240 series access points.

–

Non-Root Bridge—In this mode, the device establishes a link with a root bridge. This setting is available only for the 1200 and 1240 series access points.

–

Install Mode—Places the 1300 series access point/bridge in auto installation mode so you can align and adjust a bridge link for optimum efficiency.

–

Workgroup Bridge—Emulates a Cisco Aironet 350 Series Workgroup Bridge. In the Workgroup bridge mode, the access point functions as a client device that associates with a Cisco Aironet access point or bridge. A workgroup bridge can have a maximum of 254 clients, presuming that no other wireless clients are associated to the root bridge or access point. This setting is available for the 1040, 1100, 1200, and 1300 series access points.

–

Universal Workgroup Bridge—Configures the access point as a workgroup bridge capable of associating with non-Cisco access points. This setting is available on 1130, and 1240 series access points and 1300 series access point/bridges.

–

Client MAC:—The Ethernet MAC address of the client connected to the universal workgroup bridge.

–

Scanner—Functions as a network monitoring device. In the Scanner mode, the access point does not accept associations from clients. It continuously scans and reports wireless traffic it detects from other wireless devices on the wireless LAN. All access points can be configured as a scanner.

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Assigning Basic Settings

Step 7 Click Apply to save your settings.

Step 8 Click Network Interfaces to browse to the Network Interfaces Summary page.

Chapter 4 Configuring the Access Point for the First Time

• Optimize Radio Network for—Use this setting to select either preconfigured settings for the

wireless device radio or customized settings for the wireless device radio.

–

Throughput—Maximizes the data volume handled by the wireless device, but might reduce its range.

–

Range—Maximizes the wireless device range but might reduce throughput.

–

Default—Sets the default values for the access point.

–

Custom—The wireless device uses the settings you enter on the Network Interfaces. Clicking Custom takes you to the Network Interfaces:

Radio-802.11b Settings page. Radio-802.11b Settings page. Radio-802.11n Settings page (1250 and 1260). Radio-802.11n Settings page (1250 and 1260)

• Aironet Extensions—Enable this setting if there are only Cisco Aironet devices on your wireless

LAN.

Step 9 Click the radio interface to browse to the Network Interfaces: Radio Status page.

Step 10 Click the Settings tab to browse to the Settings page for the radio interface.

Step 11 Click Enable to enable the radio.

Step 12 Click Apply.

Your wireless device is now running but probably requires additional configuring to conform to your network operational and security requirements. Consult the chapters in this manual for the information you need to complete the configuration.

Note You can restore 1040, 1100, 1140, 1200, 1240, 1250 and 1260 series access points to factory

defaults by unplugging the power jack and plugging it back in while holding down the Mode button for a few seconds, or until the Status LED turns amber.

Default Settings on the Express Setup Page

Table 4-1 lists the default settings for the settings on the Express Setup page.

Table 4-1 Default Settings on the Express Setup Page

4-14

Setting Default

Host Name ap

Configuration Server Protocol DHCP

IP Address Assigned by DHCP by default; see the “Default IP Address

Behavior” section on page 4-5 for a description of default IP

address behavior on the access point

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Table 4-1 Default Settings on the Express Setup Page (continued)

Setting Default

IP Subnet Mask Assigned by DHCP by default; if DHCP is disabled, the default

Default Gateway Assigned by DHCP by default; if DHCP is disabled, the default

SNMP Community defaultCommunity (Read-only)

Role in Radio Network (for each radio installed)

Optimize Radio Network for Throughput

Aironet Extensions Enable

Assigning Basic Settings

setting is 255.255.255.224

setting is 0.0.0.0

Access point

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Configuring Basic Security Settings

After you assign basic settings to the wireless device, you must configure security settings to prevent unauthorized access to your network. Because it is a radio device, the wireless device can communicate beyond the physical boundaries of your worksite.

Just as you use the Express Setup page to assign basic settings, you can use the Express Security page to create unique SSIDs and assign one of four security types to them. Figure 4-6 shows a typical Express Security page.

Figure 4-6 Express Security Page

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The Express Security page helps you configure basic security settings. You can use the web-browser interface main Security pages to configure more advanced security settings.

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Understanding Express Security Settings

The SSIDs that you create using the Express security page appear in the SSID table at the bottom of the page. You can create up to 16 SSIDs on the wireless device. On dual-radio wireless devices, the SSIDs that you create are enabled on both radio interfaces.

Note In Cisco IOS Release 12.4(23c)JA and 12.xxx, there is no default SSID. You must configure an

SSID before client devices can associate to the access point.

The SSID can consist of up to 32 alphanumeric, case-sensitive, characters.

The first character can not contain the following characters:

• Exclamation point (!)

• Pound sign (#)

• Semicolon (;)

The following characters are invalid and cannot be used in an SSID:

• Plus sign (+)

• Right bracket (])

Configuring Basic Security Settings

Using VLANs

• Front slash (/)

• Quotation mark (")

• Tab

• Trailing spaces

If you use VLANs on your wireless LAN and assign SSIDs to VLANs, you can create multiple SSIDs using any of the four security settings on the Express Security page. However, if you do not use VLANs on your wireless LAN, the security options that you can assign to SSIDs are limited because on the Express Security page encryption settings and authentication types are linked. Without VLANs, encryption settings (WEP and ciphers) apply to an interface, such as the 2.4-GHz radio, and you cannot use more than one encryption setting on an interface. For example, when you create an SSID with static WEP with VLANs disabled, you cannot create additional SSIDs with WPA authentication because they use different encryption settings. If you find that the security setting for an SSID conflicts with another SSID, you can delete one or more SSIDs to eliminate the conflict.

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Configuring Basic Security Settings

Express Security Types

Table 4-2 describes the four security types that you can assign to an SSID.

Table 4-2 Security Types on Express Security Setup Page

Security Type Description Security Features Enabled

No Security This is the least secure option. You

Static WEP Key This option is more secure than no

Chapter 4 Configuring the Access Point for the First Time

should use this option only for SSIDs used in a public space and assign it to a VLAN that restricts access to your network.

security. However, static WEP keys are vulnerable to attack. If you configure this setting, you should consider limiting association to the wireless device based on MAC address (see the Chapter 16, “Using

MAC Address ACLs to Block or Allow Client Association to the Access Point” or, if your network

does not have a RADIUS server, consider using an access point as a local authentication server (see

Chapter 9, “Configuring an Access Point as a Local Authenticator”).

None.

Mandatory WEP. Client devices cannot associate using this SSID without a WEP key that matches the wireless device key.

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Table 4-2 Security Types on Express Security Setup Page (continued)

Security Type Description Security Features Enabled

EAP Authentication This option enables 802.1X

authentication (such as LEAP, PEAP, EAP-TLS, EAP-FAST, EAP-TTLS, EAP-GTC, EAP-SIM, and other

802.1X/EAP based products)

This setting uses mandatory encryption, WEP, open authentication + EAP, network EAP authentication, no key management, RADIUS server authentication port 1645.

You are required to enter the IP address and shared secret for an authentication server on your network (server authentication port 1645). Because 802.1X authentication provides dynamic encryption keys, you do not need to enter a WEP key.

Configuring Basic Security Settings

Mandatory 802.1X authentication. Client devices that associate using this SSID must perform 802.1X authentication.

If radio clients are configured to authenticate using EAP-FAST, open authentication with EAP should also be configured. If you do not configure open authentication with EAP, the following GUI warning message appears:

WA R NI N G: Network EAP is used for LEAP authentication only. If radio clients are configured to authenticate using EAP-FAST, Open Authentication with EAP should also be configured.

If you are using the CLI, this warning message appears:

WPA Wi-Fi Protected Access (WPA)

permits wireless access to users authenticated against a database through the services of an authentication server, then encrypts their IP traffic with stronger algorithms than those used in WEP.

This setting uses encryption ciphers, TKIP, open authentication + EAP, network EAP authentication, key management WPA mandatory, and RADIUS server authentication port

1645.

As with EAP authentication, you must enter the IP address and shared secret for an authentication server on your network (server authentication port 1645).

SSID CONFIG WARNING: [SSID]: If radio clients are using EAP-FAST, AUTH OPEN with EAP should also be configured.

Mandatory WPA authentication. Client devices that associate using this SSID must be WPA-capable.

WA R NI N G: Network EAP is used for LEAP authentication only. If radio clients are configured to authenticate using EAP-FAST, Open Authentication with EAP should also be configured.

If you are using the CLI, this warning message appears:

SSID CONFIG WARNING: [SSID]: If radio clients are using EAP-FAST, AUTH OPEN with EAP should also be configured.

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Configuring Basic Security Settings

Express Security Limitations

Because the Express Security page is designed for simple configuration of basic security, the options available are a subset of the wireless device security capabilities. Keep these limitations in mind when using the Express Security page:

• If the No VLAN option is selected, the static WEP key can be configured once. If you select Enable

VLAN, the static WEP key should be disabled.

• You cannot edit SSIDs. However, you can delete SSIDs and re-create them.

• You cannot assign SSIDs to specific radio interfaces. The SSIDs that you create are enabled on all

radio interfaces. To assign SSIDs to specific radio interfaces, use the Security SSID Manager page.

• You cannot configure multiple authentication servers. To configure multiple authentication servers,

use the Security Server Manager page.

• You cannot configure multiple WEP keys. To configure multiple WEP keys, use the Security

Encryption Manager page.

• You cannot assign an SSID to a VLAN that is already configured on the wireless device. To assign

an SSID to an existing VLAN, use the Security SSID Manager page.

• You cannot configure combinations of authentication types on the same SSID (for example, MAC

address authentication and EAP authentication). To configure combinations of authentication types, use the Security SSID Manager page.

Chapter 4 Configuring the Access Point for the First Time

Using the Express Security Page

Follow these steps to create an SSID using the Express Security page:

Step 1 Type the SSID in the SSID entry field. The SSID can contain up to 32 alphanumeric characters.

Step 2 To broadcast the SSID in the wireless device beacon, check the Broadcast SSID in Beacon check box.

When you broadcast the SSID, devices that do not specify an SSID can associate to the wireless device. This is a useful option for an SSID used by guests or by client devices in a public space. If you do not broadcast the SSID, client devices cannot associate to the wireless device unless their SSID matches this SSID. Only one SSID can be included in the wireless device beacon.

Step 3 (Optional) Check the Enable VLAN ID check box and enter a VLAN number (1 through 4095) to assign

the SSID to a VLAN. You cannot assign an SSID to an existing VLAN.

Step 4 (Optional) Check the Native VLAN check box to mark the VLAN as the native VLAN.

Step 5 Select the security setting for the SSID. The settings are listed in order of robustness, from No Security

to WPA, which is the most secure setting. If you select EAP Authentication or WPA, enter the IP address and shared secret for the authentication server on your network.

Note If you do not use VLANs on your wireless LAN, the security options that you can assign to

multiple SSIDs are limited. See the “Using VLANs” section on page 4-17 for details.

Step 6 Click Apply. The SSID appears in the SSID table at the bottom of the page.

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CLI Configuration Examples

The examples in this section show the CLI commands that are equivalent to creating SSIDs using each security type on the Express Security page. This section contains these example configurations:

• Example: No Security, page 4-21

• Example: Static WEP, page 4-21

• Example: EAP Authentication, page 4-23

• Example: WPA, page 4-24

Example: No Security

This example shows part of the configuration that results from using the Express Security page to create an SSID called no_security_ssid, including the SSID in the beacon, assigning it to VLAN 10, and selecting VLAN 10 as the native VLAN:

! dot11 ssid no_security_ssid authentication open vlan 10 ! interface Dot11Radio0.10 encapsulation dot1Q 10 native no ip route-cache bridge-group 1 bridge-group 1 subscriber-loop-control bridge-group 1 block-unknown-source no bridge-group 1 source-learning no bridge-group 1 unicast-flooding bridge-group 1 spanning-disabled ! interface Dot11Radio1 no ip address no ip route-cache ! ssid no_security_ssid ! speed basic-6.0 9.0 basic-12.0 18.0 basic-24.0 36.0 48.0 54.0 rts threshold 2312 station-role root ! interface Dot11Radio1.10 encapsulation dot1Q 10 native no ip route-cache bridge-group 1 bridge-group 1 subscriber-loop-control bridge-group 1 block-unknown-source no bridge-group 1 source-learning no bridge-group 1 unicast-flooding bridge-group 1 spanning-disabled

Configuring Basic Security Settings

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Example: Static WEP

This example shows part of the configuration that results from using the Express Security page to create an SSID called static_wep_ssid, excluding the SSID from the beacon, assigning the SSID to VLAN 20, selecting 3 as the key slot, and entering a 128-bit key:

ssid static_wep_ssid

vlan 20 authentication open

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Configuring Basic Security Settings

! interface Dot11Radio0 no ip address no ip route-cache ! encryption vlan 20 key 3 size 128bit 7 FFD518A21653687A4251AEE1230C transmit-key encryption vlan 20 mode wep mandatory ! speed basic-1.0 basic-2.0 basic-5.5 basic-11.0 rts threshold 2312 station-role root bridge-group 1 bridge-group 1 subscriber-loop-control bridge-group 1 block-unknown-source no bridge-group 1 source-learning no bridge-group 1 unicast-flooding bridge-group 1 spanning-disabled

ssid statuc_wep_ssid ! interface Dot11Radio0.20 encapsulation dot1Q 20 no ip route-cache bridge-group 20 bridge-group 20 subscriber-loop-control bridge-group 20 block-unknown-source no bridge-group 20 source-learning no bridge-group 20 unicast-flooding bridge-group 20 spanning-disabled ! interface Dot11Radio1 no ip address no ip route-cache ! encryption vlan 20 key 3 size 128bit 7 741F07447BA1D4382450CB68F37A transmit-key encryption vlan 20 mode wep mandatory ! ssid static_wep_ssid ! speed basic-6.0 9.0 basic-12.0 18.0 basic-24.0 36.0 48.0 54.0 rts threshold 2312 station-role root bridge-group 1 bridge-group 1 subscriber-loop-control bridge-group 1 block-unknown-source no bridge-group 1 source-learning no bridge-group 1 unicast-flooding bridge-group 1 spanning-disabled ! interface Dot11Radio1.20 encapsulation dot1Q 20 no ip route-cache bridge-group 20 bridge-group 20 subscriber-loop-control bridge-group 20 block-unknown-source no bridge-group 20 source-learning no bridge-group 20 unicast-flooding bridge-group 20 spanning-disabled

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Example: EAP Authentication

This example shows part of the configuration that results from using the Express Security page to create an SSID called eap_ssid, excluding the SSID from the beacon, and assigning the SSID to VLAN 30:

Note The following warning message appears if your radio clients are using EAP-FAST and you do not

include open authentication with EAP as part of the configuration:

SSID CONFIG WARNING: [SSID]: If radio clients are using EAP-FAST, AUTH OPEN with EAP should also be configured.

dot11 ssid eap_ssid

vlan 30 authentication open eap eap_methods

authentication network-eap eap_methods ! interface Dot11Radio0/1 no ip address no ip route-cache ! encryption vlan 30 mode wep mandatory ! ssid eap_ssid ! speed basic-1.0 basic-2.0 basic-5.5 basic-11.0 rts threshold 2312 station-role root bridge-group 1 bridge-group 1 subscriber-loop-control bridge-group 1 block-unknown-source no bridge-group 1 source-learning no bridge-group 1 unicast-flooding bridge-group 1 spanning-disabled ! interface Dot11Radio0/1.30 encapsulation dot1Q 30 no ip route-cache bridge-group 30 bridge-group 30 subscriber-loop-control bridge-group 30 block-unknown-source no bridge-group 30 source-learning no bridge-group 30 unicast-flooding bridge-group 30 spanning-disabled ! interface Dot11Radio0/1 no ip address no ip route-cache ! encryption vlan 30 mode wep mandatory ! ssid eap_ssid ! speed basic-6.0 9.0 basic-12.0 18.0 basic-24.0 36.0 48.0 54.0 rts threshold 2312 station-role root bridge-group 1 bridge-group 1 subscriber-loop-control bridge-group 1 block-unknown-source no bridge-group 1 source-learning no bridge-group 1 unicast-flooding bridge-group 1 spanning-disabled

Configuring Basic Security Settings

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Configuring Basic Security Settings

! interface Dot11Radio0/1.30 encapsulation dot1Q 30 no ip route-cache bridge-group 30 bridge-group 30 subscriber-loop-control bridge-group 30 block-unknown-source no bridge-group 30 source-learning no bridge-group 30 unicast-flooding bridge-group 30 spanning-disabled ! interface FastEthernet0 mtu 1500 no ip address ip mtu 1564 no ip route-cache duplex auto speed auto bridge-group 1 no bridge-group 1 source-learning bridge-group 1 spanning-disabled ! interface FastEthernet0.30 mtu 1500 encapsulation dot1Q 30 no ip route-cache bridge-group 30 no bridge-group 30 source-learning bridge-group 30 spanning-disabled ! interface BVI1 ip address 10.91.104.91 255.255.255.192 no ip route-cache ! ip http server ip http help-path http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eag/ivory/1100 ip radius source-interface BVI1 radius-server attribute 32 include-in-access-req format %h radius-server host 10.91.104.92 auth-port 1645 acct-port 1646 key 7 091D1C5A4D5041 radius-server authorization permit missing Service-Type radius-server vsa send accounting bridge 1 route ip

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Example: WPA

This example shows part of the configuration that results from using the Express Security page to create an SSID called wpa_ssid, excluding the SSID from the beacon, and assigning the SSID to VLAN 40:

ssid wpa_ssid vlan 40 authentication open eap eap_methods authentication network-eap eap_methods authentication key-management wpa !

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aaa new-model ! ! aaa group server radius rad_eap server 10.91.104.92 auth-port 1645 acct-port 1646 ! aaa group server radius rad_mac ! aaa group server radius rad_acct ! aaa group server radius rad_admin ! aaa group server tacacs+ tac_admin ! aaa group server radius rad_pmip ! aaa group server radius dummy ! aaa authentication login eap_methods group rad_eap aaa authentication login mac_methods local aaa authorization exec default local aaa authorization ipmobile default group rad_pmip aaa accounting network acct_methods start-stop group rad_acct aaa session-id common ! ! bridge irb ! ! interface Dot11Radio0/1 no ip address no ip route-cache ! encryption vlan 40 mode ciphers tkip !

ssid wpa_ssid ! speed basic-1.0 basic-2.0 basic-5.5 basic-11.0 rts threshold 2312 station-role root bridge-group 1 bridge-group 1 subscriber-loop-control bridge-group 1 block-unknown-source no bridge-group 1 source-learning no bridge-group 1 unicast-flooding bridge-group 1 spanning-disabled ! interface Dot11Radio0/1.40 encapsulation dot1Q 40 no ip route-cache bridge-group 40 bridge-group 40 subscriber-loop-control bridge-group 40 block-unknown-source no bridge-group 40 source-learning no bridge-group 40 unicast-flooding bridge-group 40 spanning-disabled !

ssid wpa_ssid ! interface FastEthernet0 no ip address no ip route-cache duplex auto speed auto

Configuring Basic Security Settings

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Chapter 4 Configuring the Access Point for the First Time

Configuring System Power Settings Access Points

bridge-group 1 no bridge-group 1 source-learning bridge-group 1 spanning-disabled ! interface FastEthernet0.40 encapsulation dot1Q 40 no ip route-cache bridge-group 40 no bridge-group 40 source-learning bridge-group 40 spanning-disabled

Configuring System Power Settings Access Points

The AP 1040, AP 801, AP 802, AP 1140, AP 1550, AP 1600, AP 2600, AP 3500, AP 3600 and AP 1260 disable the radio interfaces when the unit senses that the power source to which it is connected does not provide enough power. Depending on your power source, you might need to enter the power source type in the access point configuration. Use the System Software: System Configuration page on the web-browser interface to select a power option. Figure 4-7 shows the System Power Settings section of the System Configuration page.

Figure 4-7 Power Options on the System Software: System Configuration Page

Using the AC Power Adapter

If you use the AC power adapter to provide power access point, you do not need to adjust the access point configuration.

Using a Switch Capable of IEEE 802.3af Power Negotiation

If you use a switch to provide Power over Ethernet (PoE) to the 1040, 1130, 1140, 1240, 1250, and 1260 access point, and the switch supports the IEEE 802.3af power negotiation standard, select Power Negotiation on the System Software: System Configuration page.

Using a Switch That Does Not Support IEEE 802.3af Power Negotiation

If you use a switch to provide Power over Ethernet (PoE) to the 1040, 1130, or 1140 access point, and the switch does not support the IEEE 802.3af power negotiation standard, select Pre-Standard Compatibility on the System Software: System Configuration page.

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Configuring System Power Settings Access Points

Using a Power Injector

If you use a power injector to provide power to the 1040, 1130, 1140, 1240, 1250, or 1260 access point, select Power Injector on the System Software: System Configuration page and enter the MAC address of the switch port to which the access point is connected.

dot11 extension power native Command

When enabled, the dot11 extension power native shifts the power tables the radio uses from the IEEE

802.11 tables to the native power tables. The radio derives the values for this table from the NativePowerTable and NativePowerSupportedTable of the CISCO-DOT11-1F-MIB. The Native Power tables were designed specifically to configure powers as low as -1dBm for Cisco Aironet radios that support these levels.

Support for 802.11n Performance on 1250 Series Access Points with Standard

802.3af PoE

The Cisco Aironet 1250 Series access points requires 20W of power for optimum performance of

802.11n on both the 2.4- and 5-GHz bands. This allows you to configure one radio to operate using

802.3af. This allows full functionality under 802.3af on one radio while the other radio is disabled. Once you upgrade to a powering solution that provides 20W of power to the access point, you can configure the second radio so that both radios are fully functional with 2x3 multiple input multiple output (MIMO) technology.

1250 Series Power Modes

The 1250 series access point can be powered by either inline power or by an optional AC/DC power adapter. Certain radio configurations may require more power than can be provided by the inline power source. When insufficient inline power is available, you can select several options (based upon your access point radio configuration) as shown in Table 4-2.

Table 4-3 Inline Power Options based on Access Point Radio Configuration

802.3af Mode (15.4W)

Disabled1714 (17 per Tx)

Radio Band Data Rate

802.11b 1 N/A 20 20 20

802.11g 1 N/A 17 17 17

2.4 GHz

802.11n (MCS 0-7) 1

802.11n (MCS 8-15) 2 N/A Disabled 14 (17 per Tx) 20 (17 per Tx)

Number of Transmitters

Cyclic Shift Diversity (CSD)

Disabled

Enabled (default)

Maximum Transmit Power (dBm)

Enhanced PoE Power Optimized Mode (16.8 W)

Enhanced PoE Mode (20 W)

20 (17 per Tx)

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Assigning an IP Address Using the CLI

Table 4-3 Inline Power Options based on Access Point Radio Configuration

Number Radio Band Data Rate

802.11a 1 N/A 17 17 17

5 GHz

1. Maximum transmit power will vary by channel and according to individual country regulations. Refer to the product

2. Tx—Transmitter.

802.11n (MCS 0-7) 1

802.11n (MCS 8-15) 2 N/A Disabled 20 (17 per Tx) 20 (17 per Tx)

documentation for specific details.

of Trans-

mitters

Cyclic Shift Diversity (CSD)

Disabled

Enabled (default)

802.3af Mode (15.4W)

Disabled1720 (17 per Tx)1720 (17 per Tx)

Maximum Transmit Power (dBm)

Enhanced PoE Power Optimized Mode (16.8 W)

Enhanced PoE Mode (20 W)

Assigning an IP Address Using the CLI

When you connect the wireless device to the wired LAN, the wireless device links to the network using a bridge virtual interface (BVI) that it creates automatically. Instead of tracking separate IP addresses for the wireless device Ethernet and radio ports, the network uses the BVI.

When you assign an IP address to the wireless device using the CLI, you must assign the address to the BVI. Beginning in privileged EXEC mode, follow these steps to assign an IP address to the wireless device BVI:

Command Purpose

Step 1

Step 2

Step 3

configure terminal Enters global configuration mode.

interface bvi1 Enters interface configuration mode for the BVI.

ip address address

mask

Assigns an IP address and address mask to the BVI.

Note If you are connected to the wireless device using a

Telnet session, you lose your connection to the wireless device when you assign a new IP address to the BVI. If you need to continue configuring the wireless device using Telnet, use the new IP address to open another Telnet session to the wireless device.

Using a Telnet Session to Access the CLI

Follow these steps to access the CLI by using a Telnet session. These steps are for a PC running Microsoft Windows with a Telnet terminal application. Check your PC operating instructions for detailed instructions for your operating system.

Step 1 Choose Start > Programs > Accessories > Telnet.

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If Telnet is not listed in your Accessories menu, select Start > Run, type Tel ne t in the entry field, and press Enter.

Step 2 When the Telnet window appears, click Connect and select Remote System.

Note In Windows 2000, the Telnet window does not contain drop-down lists. To start the Telnet

session in Windows 2000, type open followed by the wireless device IP address.

Step 3 In the Host Name field, type the wireless device IP address and click Connect.

Configuring the 802.1X Supplicant

Traditionally, the dot1x authenticator/client relationship has always been a network device and a PC client respectively, as it was the PC user that had to authenticate to gain access to the network. However, wireless networks introduce unique challenges to the traditional authenticator/client relationship. First, access points can be placed in public places, inviting the possibility that they could be unplugged and their network connection used by an outsider. Second, when a repeater access point is incorporated into a wireless network, the repeater access point must authenticate to the root access point in the same way as a client does.

Configuring the 802.1X Supplicant

Note The 802.1X supplicant is available on 1040, 1130AG, 1140, 1240AG, 1250, 1260, and 1300 series access

points. It is not available on 1100 and 1200 series access points.

The supplicant is configured in two phases:

• Create and configure a credentials profile

• Apply the credentials to an interface or SSID

You can complete the phases in any order, but they must be completed before the supplicant becomes operational.

Creating a Credentials Profile

Beginning in privileged EXEC mode, follow these steps to create an 802.1X credentials profile:

Command Purpose

Step 1

Step 2

Step 3

Step 4

Step 5

configure terminal Enter global configuration mode.

dot1x credentials profile Creates a dot1x credentials profile and enters the dot1x

anonymous-id description (Optional)—Enter the anonymous identity to be used.

description description (Optional)—Enter a description for the credentials profile

username username Enter the authentication user id.

credentials configuration submode.

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Configuring the 802.1X Supplicant

Command Purpose

Step 6

Step 7

Step 8

Step 9

password {0 | 7 | LINE} Enter an unencrypted password for the credentials.

pki-trustpoint pki-trustpoint (Optional and only used for EAP-TLS)—Enter the default

end Return to the privileged EXEC mode.

copy running config startup-config

Use the no form of the dot1x credentials command to negate a parameter.

The following example creates a credentials profile named test with the username Cisco and a the unencrypted password Cisco:

ap1240AG>enable Password:xxxxxxx ap1240AG#config terminal Enter configuration commands, one per line. End with CTRL-Z. ap1240AG(config)# dot1x credentials test ap1240AG(config-dot1x-creden)#username Cisco ap1240AG(config-dot1x-creden)#password Cisco ap1240AG(config-dot1x-creden)#exit ap1240AG(config)#

Chapter 4 Configuring the Access Point for the First Time

0—An unencrypted password will follow.

7—A hidden password will follow. Hidden passwords are used

when applying a previously saved configuration.

LINE—An unencrypted (clear text) password.

Note Unencrypted and clear text are the same. You can enter a

0 followed by the clear text password, or omit the 0 and enter the clear text password.

pki-trustpoint.

(Optional) Save your entries in the configuration file.

Applying the Credentials to an Interface or SSID

Credential profiles are applied to an interface or an SSID in the same way.

Applying the Credentials Profile to the Wired Port

Beginning in the privileged EXEC mode, follow these steps to apply the credentials to the access point wired port:

Command Purpose

Step 1

Step 2

Step 3

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configure terminal Enter global configuration mode.

interface fastethernet 0 Enter the interface configuration mode for the access point Fast

Ethernet port.

Note You can also use interface fa0 to enter the fast Ethernet

configuration mode.

dot1x credentials profile name] Enter the name of a previously created credentials profile.

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Command Purpose

Step 4

Step 5

end Return to the privileged EXEC mode

copy running config

(Optional) Save your entries in the configuration file.

startup-config

The following example applies the credentials profile test to the access point Fast Ethernet port:

ap1240AG>enable Password:xxxxxxx ap1240AG#config terminal Enter configuration commands, one per line. End with CTRL-Z. ap1240AG(config)#interface fa0 ap1240AG(config-if)#dot1x credentials test ap1240AG(config-if)#end ap1240AG#

Applying the Credentials Profile to an SSID Used For the Uplink

If you have a repeater access point in your wireless network and are using the 802.1X supplicant on the root access point, you must apply the 802.1X supplicant credentials to the SSID the repeater uses to associate with and authenticate to the root access point.

Configuring the 802.1X Supplicant

Step 1

Step 2

Step 3

Step 4

Step 5

Beginning in the privileged EXEC mode, follow these steps to apply the credentials to an SSID used for the uplink:

Command Purpose

configure terminal Enter global configuration mode.

dot11 ssid ssid Enter the 802.11 SSID. The SSID can consist of up to 32

alphanumeric characters. SSIDs are case sensitive.

Note The first character cannot contain the !, #, or; character.

+,], /, “, TAB, and trailing spaces are invalid characters for SSIDs.

dot1x credentials profile Enter the name of a preconfigured credentials profile.

end Exits the dot1x credentials configuration submode

copy running config

(Optional) Save your entries in the configuration file.

startup-config

The following example applys the credentials profile test to the ssid testap1 on a repeater access point.

repeater-ap>enable Password:xxxxxxx repeater-ap#config terminal Enter configuration commands, one per line. End with CTRL-Z. repeater-ap(config-if)#dot11 ssid testap1 repeater-ap(config-ssid)#dot1x credentials test repeater-ap(config-ssid)#end repeater-ap(config)

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Configuring IPv6

Creating and Applying EAP Method Profiles

You can optionally configure an EAP method list to enable the supplicant to recognize a particular EAP method. See the “Creating and Applying EAP Method Profiles for the 802.1X Supplicant” section on

page 11-17.

Configuring IPv6

IPv6 is the latest Internet protocol for IPv, developed to provide an extremely large number of addresses. It uses 128 bit addresses instead of the 32 bit addresses that are used in IPv4.

As deployments in wireless networks use greater number of IP wireless devices and smart phones, IPv6 with its 128-bit address format can support 3.4 x 1038 address space.

IPv6 addresses are represented as a series of 16-bit hexadecimal fields separated by colons (:) in the format: x:x:x:x:x:x:x:x.

There are three types of IPv6 address types:

• Unicast

The Cisco IOS software supports these IPv6 unicast address types:

Chapter 4 Configuring the Access Point for the First Time

–

Aggregatable Global Address

Aggregatable global unicast addresses are globally routable and reachable on the IPv6 portion of the Internet. These global addresses are identified by the format prefix of 001.

–

Link-Local Address

Link-Local Addressses are automatically configured on interface using link-local prefix FE80::/10 (1111 1110 10). The interface identifier is in the modified EUI-64 format.

• Anycast can be used only by a router and not the host. Anycast addresses must not be used as the

source address of an IPv6 packet.

• Multicast address is a logical identifier for a group of hosts that process frames intended to be

multicast for a designated network service. Multicast addresses in IPv6 use a prefix of FF00::/8 (1111 1111)

IPv6 configuration uses these multicast groups:

–

Solicited-node multicast group FF02:0:0:0:0:1:FF00::/104

–

All-nodes link-local multicast group FF02::1

–

All-routers link-local multicast group FF02::2

Table 4-4 lists the IPv6 address types and formats.

Table 4-4 IPv6 Address Formats

IPv6 Address Type Preferred Format Compressed Format

Unicast 2001:0:0:0:DB8:800:200C:417A 2001::DB8:800:200C:417A

Multicast FF01:0:0:0:0:0:0:101 FF01::101

Loopback 0:0:0:0:0:0:0:1 ::1

Unspecified 0:0:0:0:0:0:0:0 ::

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The following modes are supported

Table 4-1 IPv6 Address Formats

• Root

IPv6 Address Type Preferred Format Compressed Format

• Root bridge

Unicast 2001:0:0:0:DB8:800:200C:417A 2001::DB8:800:200C:417A

• Non Root bridge

Multicast FF01:0:0:0:0:0:0:101 FF01::101

• Repeater

Loopback 0:0:0:0:0:0:0:1 ::1

• WGB

Unspecified 0:0:0:0:0:0:0:0 ::

The following modes are not supported

• Spectrum mode

These modes are supported:

• Monitor mode

• Root

Beginning in privileged EXEC mode, use these commands to enable tie ipv6 address

• Root bridge

–

• Non Root bridge

• Repeater

A link-local address, based on the Modified EUI-64 interface ID, is automatically generated for the

• WGB

interface when stateless autoconfiguration is enabled. These modes are not supported:

Beginning in privileged EXEC mode, use the following command to enable stateless autoconfiguration:

• Spectrum mode

• Monitor mode

Beginning in privileged EXEC mode, use the following command to configure a link local addreess These are also not supported in IPv6:

without assigning any other IPv6 addressesto the interface:

• SNMPv6

• Multiple BVI interfaces on an access point

Beginning in privileged EXEC mode, use the following command to assign a site-local or global address to the interface:

• Enabling IPv6 on any interface other than BVI

Beginning in privileged EXEC mode, use these commands to enable the ipv6 address

Note The optional eui-64 keyword is used to utilize the Modified EUI-64 interface ID in the low order 64 bits

of the address. A link-local address, based on the Modified EUI-64 interface ID, is automatically generated for the

interface when stateless autoconfiguration is enabled. This section contains:

Beginning in privileged EXEC mode, use this command to enable stateless autoconfiguration:

• Configuring DHCPv6 address, page 4-33

• IPv6 Neighbor Discovery, page 4-34

Beginning in privileged EXEC mode, use this command to configure a link local addreess without

• Configuring IPv6 Access Lists, page 4-35

assigning any other IPv6 addressesto the interface:

• RADIUS Configuration, page 4-35

• IPv6 WDS Support, page 4-35

Beginning in privileged EXEC mode, use this command to assign a site-local or global address to the interface:

• CDPv6 Support:, page 4-36

• RA filtering, page 4-37

ap(config)# int bv1

–

ap(config-if)# ipv6 address

ap(config-if)# ipv6 address autoconfig

ap(config-if)# ipv6 address ipv6-address link-local

ap(config-if)# ipv6 address ipv6-address [eui-64]

–

ap(config)# int bv1

–

ap(config-if)# ipv6 address

ap(config-if)# ipv6 address autoconfig

ap(config-if)# ipv6 address ipv6-address link-local

ap(config-if)# ipv6 address ipv6-address [eui-64]

Configuring IPv6

Configuring DHCPv6 address

Note The optional eui-64 keyword is used to utilize the Modified EUI-64 interface ID in the low order 64 bits

of the address.

DHCPv6 is a network protocol that is used for configuring IPv6 hosts with IP addresses, IP prefixes and This section contains:

other configuration required to operate on an IPv6 network. The DHCPv6 client obtains configuration parameters from a server either through a rapid two-message exchange (solicit, reply), or through a

• Configuring DHCPv6 address, page 4-33

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Configuring IPv6

Chapter 4 Configuring the Access Point for the First Time

normal four-message exchange (solicit, advertise, request, reply). By default, the four-message exchange is used. When the rapid-commit option is enabled by both client and server, the two-message exchange is used.

Beginning in privileged EXEC mode, use these commands to enable the DHCPv6 client in an Access Point:

–

ap# conf t

–

ap(config)# int bv1

–

ap(config)# ipv6 address dhcp rapid-commit(optional)

Autonomous AP supports both Dhcpv6 stateful and stateless addressing.

Stateful addressing

Stateful addressing uses a DHCP server. DHCP clients use stateful DHCPv6 addressing to obtain an IP address.

Beginning in privileged EXEC mode, use this command to configure stateful addressing:

ap(config)# ipv6 address dhcp

Stateless addressing

Stateless addressing does not use a DHCP server to obtain IP addresses. The DHCP clients autoconfigure their own IP addresses based on router advertisments.

Beginning in privileged EXEC mode, use this command to configure stateless addressing:

ap(config)# ipv6 address autoconfig

IPv6 Neighbor Discovery

The IPv6 neighbor discovery process uses ICMP messages and solicited-node multicast addresses to determine the link-layer address of a neighbor on the same network.

Beginning in privileged EXEC mode, use these commands to configure IPv6 neighbor discovery:

Command Purpose

ipv6 nd ? Configures neighbor discovery protocol.

ipv6 nd ns-interval value Sets the interval between IPv6 neighbor solicitation retransmissions on

an interface.

ipv6 nd reachable-time value Sets the amount of time that a remote IPv6 node is reachable.

ipv6 nd dad attempts value Configures the number of consecutive neighbor solicitation messages

sent when duplicate address detection is performed on the unicast IPv6 addresses.

ipv6 nd dad time value Configures the interval between IPv6 neighbor solicit transmissions

for duplicate address detection.

ipv6 nd autoconfig default-router Configures a default route to the Neighbor Discovery-derived default

router.

ipv6 nd autoconfig prefix Configures router solicitation message to solicit a router advertisement

to eliminate any delay in waiting for the next periodic router advertisement.

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Configuring IPv6

Command Purpose

ipv6 nd cache expire expire-time-in-seconds Configures the length of time before the IPv6 neighbor discovery cache

entry expires.

ipv6 nd cache interface-limit size [log rate] Configures a neighbor discovery cache limit on a specified interface.

ipv6 nd na glean Configures neighbor discovery to glean an entry from an unsolicited

neighbor advertisement.

Configuring IPv6 Access Lists

IPv6 access lists (ACL) are used to filter traffic and restrict access to the router. IPv6 prefix lists are used to filter routing protocol updates.

Beginning in privileged EXEC mode, use these commands to to configure the access list globally and assign it to interface:

–

ap(config)# ipv6 access-list acl-name

–

ap(config-ipv6-acl)# deny/permit protocol

Beginning in privileged EXEC mode, use this command to deny or permit access:

ap(config)# deny/permit ?

This filter is based on the IPv6 address irrespective of the higher layer protocols.

Beginning in privileged EXEC mode, use these commands to assign the globally configured ACL to the outbound and inbound traffic on layer3 interface:

–

ap(config)# interface interface

–

ap(config)# ipv6 traffic-filter acl-name in/out

RADIUS Configuration

RADIUS iserver is a background process serving three functions:

• authenticate users before granting them access to the network

• authorize users for certain network services

• account for the usage of certain networkservices

Beginning in privileged EXEC mode, use these commands to configure the radius server in the Access Point:

–

ap(config)# radius server server name

–

ap(config-radius-server)# address ipv6 ipv6 address

IPv6 WDS Support

The WDS and the infrastructure access points communicate over a multicast protocol called WLAN Context Control Protocol (WLCCP).

Cisco IOS Release 15.2(4)JA supports communication between the WDS and Access Point through IPv6 addresses. The WDS works on a Dual Stack; that is, it accepts both IPv4 and IPv6 registeration.

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Configuring IPv6

Chapter 4 Configuring the Access Point for the First Time

IPv6 WDS AP registration

The first active IPv6 address is used to register the WDS. Table 4-5 shows different scenarios in the IPv6 WDS AP registration process.

Table 4-5 IPv6 WDS–AP Registration

WDS AP

Scenario

Mode of CommunicationDual IPv6 IPv4 Dual IPv6 IPv4

1Yes yes IPv6

2Yes yes IPv6

3Yes yesIPv4

4yesyes IPv6

5yes yesIPv6

6 yes yes Fails

7yesyesIPv4

8 yes yes Fails

9yesyesIPv4

Note 11r roaming between IPv4 and IPv6 access points is not supported because the MDIE is different. Both

AP and WDS use the first active IPv6 address in BV1 to register and advertise. Link-local is not used for registration.

CDPv6 Support:

CDP is a layer2 protocol used to get information on the immediate neighbor’s device-ID, capabilities, mac address, ip address or duplex. Each CDP enabled device sends information about itself to its immediate neighbor. As part of native IPv6, the access point sends its IPv6 address as well as part of the address TLV in the cdp message; it also parses the IPv6 address information it gets from the neighboring switch.

This command shows the connected IPv6 neighbor:

ap# show cdp neighbors detail

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RA filtering

RA filtering increases the security of the IPv6 network by dropping RAs coming from wireless clients. RA filtering prevents misconfigured or malicious IPv6 clients from connecting to the network, often with a high priority that takes precedence over legitimate IPv6 routers. In all cases, the IPv6 RA is dropped at some point, protecting other wireless devices and upstream wired network from malicious or misconfigured IPv6 devices.

However, RA filtering is not supported in the uplink direction.

Configuring IPv6

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Configuring IPv6

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CHA P T ER

Administering the Access Point

This chapter describes how to administer the wireless device. This chapter contains the following sections:

• Disabling the Mode Button, page 5-2

• Preventing Unauthorized Access to Your Access Point, page 5-3

• Protecting Access to Privileged EXEC Commands, page 5-3

• Configuring Easy Setup, page 5-9

• Configuring Spectrum Expert Mode, page 5-10

• Controlling Access Point Access with RADIUS, page 5-11

• Controlling Access Point Access with TACACS+, page 5-17

• Configuring Ethernet Speed and Duplex Settings, page 5-20

• Configuring the Access Point for Wireless Network Management, page 5-20

• Configuring the Access Point for Local Authentication and Authorization, page 5-21

• Configuring the Authentication Cache and Profile, page 5-22

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• Configuring the Access Point to Provide DHCP Service, page 5-24

• Configuring the Access Point for Secure Shell, page 5-27

• Configuring Client ARP Caching, page 5-28

• Managing the System Time and Date, page 5-29

• Defining HTTP Access, page 5-35

• Creating a Banner, page 5-38

• Upgrading Autonomous Cisco Aironet Access Points to Lightweight Mode, page 5-40

• Migrating to Japan W52 Domain, page 5-41

• Configuring Multiple VLAN and Rate Limiting for Point-to-Multipoint Bridging, page 5-43

Cisco IOS Software Configuration Guide for Cisco Aironet Access Points

5-1

Disabling the Mode Button

You can disable the mode button on access points having a console port by using the [no] boot mode-button command. This command prevents password recovery and is used to prevent unauthorized

users from gaining access to the access point CLI.

Caution This command disables password recovery. If you lose the privileged EXEC mode password for the

access point after entering this command, you will need to contact the Cisco Technical Assistance Center (TAC) to regain access to the access point CLI.

The mode button is enabled by default. Beginning in the privilege EXEC mode, follow these steps to disable the access point mode button.

Command Purpose

Step 1

Step 2

Step 3

configure terminal Enter global configuration mode.

no boot mode-button Disables the access point mode button.

end Note It is not necessary to save the configuration.

Chapter 5 Administering the Access Point

You can check the status of the mode-button by executing the show boot or show boot mode-button commands in the privileged EXEC mode. The status does not appear in the running configuration. The following shows a typical response to the show boot and show boot mode-button commands:

ap#show boot BOOT path-list: flash:/c1200-k9w7-mx-v123_7_ja.20050430/c1200-k9w7-mx.v123_7_ja.20050430 Config file: flash:/config.txt Private Config file: flash:/private-config Enable Break: no Manual boot:no Mode button:on Enable IOS break: no HELPER path-list: NVRAM/Config file

buffer size: 32768

ap#show boot mode-button on ap#

Note As long as the privileged EXEC password is known, you can restore the mode button to normal operation

using the boot mode-button command.

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Cisco IOS Software Configuration Guide for Cisco Aironet Access Points

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Chapter 5 Administering the Access Point

Preventing Unauthorized Access to Your Access Point

You can prevent unauthorized users from reconfiguring the wireless device and viewing configuration information. Typically, you want network administrators to have access to the wireless device while you restrict access to users who connect through a terminal or workstation from within the local network.

To prevent unauthorized access to the wireless device, you should configure one of these security features:

• Username and password pairs, which are locally stored on the wireless device. These pairs

authenticate each user before that user can access the wireless device. You can also assign a specific privilege level (read only or read/write) to each username and password pair. For more information, see the “Configuring Username and Password Pairs” section on page 5-7. The default username is Cisco, and the default password is Cisco. Usernames and passwords are case-sensitive.

Note Characters TAB, ?, $, +, and [ are invalid characters for passwords.

• Username and password pairs stored centrally in a database on a security server. For more

information, see the “Controlling Access Point Access with RADIUS” section on page 5-11.

Protecting Access to Privileged EXEC Commands

A simple way of providing terminal access control in your network is to use passwords and assign privilege levels. Password protection restricts access to a network or network device. Privilege levels define what commands users can issue after they have logged into a network device.

Note For complete syntax and usage information for the commands used in this section, refer to the Cisco IOS

Security Command Reference for Release 12.3.

This section describes how to control access to the configuration file and privileged EXEC commands. It contains this configuration information:

• Default Password and Privilege Level Configuration, page 5-4

• Setting or Changing a Static Enable Password, page 5-4

• Protecting Enable and Enable Secret Passwords with Encryption, page 5-6

• Configuring Username and Password Pairs, page 5-7

• Configuring Multiple Privilege Levels, page 5-8

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Cisco IOS Software Configuration Guide for Cisco Aironet Access Points

5-3

Chapter 5 Administering the Access Point

Protecting Access to Privileged EXEC Commands

Default Password and Privilege Level Configuration

Table 5-1 shows the default password and privilege level configuration.

Table 5-1 Default Password and Privilege Levels

Feature Default Setting

Username and password Default username is Cisco and the default password is Cisco.

Enable password and privilege level Default password is Cisco. The default is level 15 (privileged EXEC

level). The password is encrypted in the configuration file.

Enable secret password and privilege level The default enable password is Cisco. The default is level 15 (privileged

EXEC level). The password is encrypted before it is written to the configuration file.

Line password Default password is Cisco. The password is encrypted in the configuration

file.

Setting or Changing a Static Enable Password

Step 1

Step 2

The enable password controls access to the privileged EXEC mode.

Note The no enable password global configuration command removes the enable password, but you should

use extreme care when using this command. If you remove the enable password, you are locked out of the EXEC mode.

Beginning in privileged EXEC mode, follow these steps to set or change a static enable password:

Command Purpose

configure terminal Enter global configuration mode.

enable password password Define a new password or change an existing password for access to

privileged EXEC mode.

The default password is Cisco.

For password, specify a string from 1 to 25 alphanumeric characters. The string cannot start with a number, is case sensitive, and allows spaces but ignores leading spaces. It can contain the question mark (?) character if you precede the question mark with the key combination Crtl-V when you create the password; for example, to create the password abc?123, do this:

1. Enter abc.

2. Enter Crtl-V.

5-4

3. Enter ?123.

When the system prompts you to enter the enable password, you need not precede the question mark with the Ctrl-V; you can simply enter abc?123 at the password prompt.

Note Characters TAB, ?, $, +, and [ are invalid characters for

passwords.

Cisco IOS Software Configuration Guide for Cisco Aironet Access Points

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Cisco 15.24JA, 15.22JB, 15.22JA, 12.425dJA User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Audience

Preface

Purpose

Organization

Conventions

Related Publications

Obtaining Documentation, Obtaining Support, and Security Guidelines

Overview

Features

Features Introduced in This Release

Support for IPv6

Support for Guest Access

Support for 802.11w

Management Options

Roaming Client Devices

Network Configuration Examples

Root Access Point

Repeater Access Point

Bridges

Workgroup bridge

Central Unit in an All-Wireless Network

Using the Web-Browser Interface

Using the Web-Browser Interface for the First Time

Using the Management Pages in the Web-Browser Interface

Using Action Buttons

Enabling HTTPS for Secure Browsing

Character Restrictions in Entry Fields

CLI Configuration Example

Deleting an HTTPS Certificate

Using Online Help

Changing the Location of Help Files

Disabling the Web-Browser Interface

Using the Command-Line Interface

Cisco IOS Command Modes

Getting Help

Abbreviating Commands

Using the no and Default Forms of Commands

Understanding CLI Messages

Using Command History

Changing the Command History Buffer Size

Recalling Commands

Disabling the Command History Feature

Using Editing Features

Enabling and Disabling Editing Features

Editing Commands Through Keystrokes

Editing Command Lines that Wrap

Searching and Filtering Output of show and more Commands

Accessing the CLI

Opening the CLI with Telnet

Opening the CLI with Secure Shell

Configuring the Access Point for the First Time

Before You Start

Resetting the Device to Default Settings

Resetting to Default Settings Using the MODE Button

Resetting to Default Settings Using the GUI

Resetting to Default Settings Using the CLI

Logging into the Access Point

Obtaining and Assigning an IP Address

Default IP Address Behavior

Connecting to the 1100 Series Access Point Locally

Connecting to the 1130 Series Access Point Locally

Connecting to the 1040, 1140,1200, 1230, 1240, 1250, 1260, and 2600 Series Access Points Locally

Connecting to the 1300 Series Access Point/Bridge Locally

Default Radio Settings

Assigning Basic Settings

Default Settings on the Express Setup Page

Configuring Basic Security Settings

Understanding Express Security Settings

Using VLANs

Express Security Types

Express Security Limitations

Using the Express Security Page

CLI Configuration Examples

Configuring System Power Settings Access Points

Using the AC Power Adapter

Using a Switch Capable of IEEE 802.3af Power Negotiation