Cisco Cisco Wireless LAN Controller Module Manuale Tecnico

This document describes how to use DHCP Option 43 and provides sample configurations for
DHCP Option 43 for lightweight Cisco Aironet access points (LAPs) for these DHCP servers:

Microsoft Windows 2008 Enterprise DHCP Server

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Cisco IOS

®

 DHCP Server

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Linux Internet Systems Consortium (ISC) DHCP Server

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Cisco Network Registrar DHCP Server

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Lucent QIP DHCP Server

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When a Cisco Wireless Unified architecture is deployed, the LAPs can use a vendor-specific
DHCP Option 43 to join specific Wireless LAN Controllers (WLCs) when the WLC is in a different
subnet than the LAP. Refer to 

 and 

for information on how to configure an access point (AP) to join a WLC.

Cisco recommends that you have knowledge of these topics:

Basic knowledge on Cisco Unified Wireles Network (CUWN)

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