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Configuring DHCP Option 43 for Cisco 520 Series Access Points, Overview

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A A P P E N D I X Configuring DHCP Option 43 for Cisco 520 Series Access Points This appendix describes the steps needed to configure DHCP Option 43 on an enterprise DHCP server, such as a Cisco Catalyst 3750 series switch, for use with the Cisco 520 series access points (AP521 and LAP521). This appendix contains these sections: • Overview, page A-1 • Configuring Option 43 for Cisco 520 Series Access Points, page A-2 Overview This section contains a DHCP Option 43 configuration example on an enterprise DHCP server, such as a Cisco Catalyst 3750 series switch, for use with Cisco 520 series access points. For other DHCP server implementations, consult their product documentation for configuring DHCP Option 43. In Option 43, you should use the IP address of the controller web-browser interface (GUI). Note DHCP Option 43 is limited to one access point type per DHCP pool (AP521 or LAP521). You must configure a separate DHCP pool for each access point type. The Cisco 520 series access points use the type-length-value (TLV) format for DHCP Option 43. DHCP servers must be programmed to return the option based on the access point's DHCP Vendor Class Identifier (VCI) string (DHCP Option 60). The VCI strings for the Cisco 520 series is listed in Table A-1: Table A-1 Cisco 520 Series Lightweight Access Point VCI String Access Point Vendor Class Identifier (VCI) LAP521 lightweight access point Cisco AP c520 The format of the TLV block for 520 series access points is listed below: • Type: 0xf1 (decimal 241) • Length: Number of controller IP addresses * 4 • Value: List of WLC management interfaces OL-15283-01 Cisco 500 Series Wireless Express Mobility Controller Configuration Guide A-1

Section	Page
Cisco 500 Series Wireless Express Mobility Controller Configuration Guide	1
Preface	7
Audience	7
Purpose	7
Conventions	7
Abbreviations and Acronyms	8
Related Documentation	9
Obtaining Documentation and Submitting a Service Request	9
Translated Warning	10
Statement 1071-Warning Definition	10
Overview	17
System Overview	17
The Cisco Mobility Express Solution	18
The Cisco 521 Wireless Express Access Point	18
The Cisco 526 Wireless Express Mobility Controller	19
Cisco Configuration Assistant	19
Remote Configuring and Monitoring Capability	19
WLC526 Controller Overview	20
Features and Benefits	20
WLC526 Controller Specifications	21
Configuration Options	22
Using the Cisco Configuration Assistant	22
Device Setup Wizard	22
Cisco Smart Assist	22
CCA Guide Mode and CCA Expert Mode	23
Smartport Support for Catalyst Express 500 Series Switches	24
Using the Controller Web-Browser Interface (GUI)	24
Using the Command-Line Interface	25
Adding a WLC526 Controller and LAP521 Access Points	27
Obtaining and Installing CCA	27
Starting CCA	27
Adding a New Controller	28
Verifying and Configuring Your Ethernet Adapter	35
Configuring your Ethernet Adapter to a Static IP Address	36
Verifying the IP Address of your Ethernet Adapter	36
Adding LAP521 Access Points	37
Creating and Connecting to a Community	39
Community Overview	39
Characteristics of a Community	39
Creating a Community	40
Community Limits	40
Creating a Community of Devices Using the Connect Window	40
Connecting To a Community	44
Creating and Modifying WLANs and VLANs	47
Creating a New WLAN	47
Modify a WLAN	53
Adding a VLAN	56
Modifying a VLAN	60
Controller Software Upgrade	63
Obtaining the Controller Software Image	63
Upgrading Controller Software	63
Restarting, Resetting, Backing Up, and Restoring the Controller	69
Restarting the Controller Using CCA	69
Resetting the Controller to Factory Default Values Using CCA	71
Backing Up the Controller Configuration	72
Restoring the Controller Configuration	76
Manually Restarting the Controller Using the Reset Button	79
Manually Resetting the Controller to Factory Defaults	80
Adding Guest Access with Web Authentication	81
Adding a Guest Access VLAN	81
Creating a New SSID for the Guest VLAN	86
Adding a Guest User	89
Adding Employee Access with Web Authentication	97
Adding an Employee Access VLAN	97
Creating a New WLAN SSID for the Employee VLAN	101
Adding an Employee User	106
Adding Voice Access with Web Authentication	115
Adding a Voice-Enabled VLAN	116
Creating a New SSID for the Voice VLAN	120
Configuring DHCP Option 43 for Cisco 520 Series Access Points	127
Overview	127
Configuring Option 43 for Cisco 520 Series Access Points	128
Converting an Autonomous Access Point	129
Verifying the Software Version of the AP521 Access Point	129
Obtaining the AP521 Access Point Conversion Image File	130
Using CCA to Convert an AP521 Access Point	131
Deployment Recommendations and Feature List	135
Deployment Recommendations	135
Software Feature List for the WLC526 Controller	136

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A-1

Cisco 500 Series Wireless Express Mobility Controller Configuration Guide

OL-15283-01

APPENDIX

Configuring DHCP Option 43 for Cisco 520 Series

Access Points

This appendix describes the steps needed to configure DHCP Option 43 on an enterprise DHCP server,

such as a Cisco Catalyst 3750 series switch, for use with the Cisco 520 series access points (AP521 and

LAP521). This appendix contains these sections:

•

Overview, page A-1

•

Configuring Option 43 for Cisco 520 Series Access Points, page A-2

Overview

This section contains a DHCP Option 43 configuration example on an enterprise DHCP server, such as

a Cisco Catalyst 3750 series switch, for use with Cisco 520 series access points. For other DHCP server

implementations, consult their product documentation for configuring DHCP Option 43. In Option 43,

you should use the IP address of the controller web-browser interface (GUI).

Note

DHCP Option 43 is limited to one access point type per DHCP pool (AP521 or LAP521). You must

configure a separate DHCP pool for each access point type.

The Cisco 520 series access points use the type-length-value (TLV) format for DHCP Option 43. DHCP

servers must be programmed to return the option based on the access point’s DHCP Vendor Class

Identifier (VCI) string (DHCP Option 60). The VCI strings for the Cisco 520 series is listed in

Table A-1

The format of the TLV block for 520 series access points is listed below:

•

Type: 0xf1 (decimal 241)

•

Length: Number of controller IP addresses * 4

•

Value: List of WLC management interfaces

Table A-1

Cisco 520 Series Lightweight Access Point VCI String

Access Point

Vendor Class Identifier (VCI)

LAP521 lightweight access point

Cisco AP c520