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5
Configuring the Access Point
This section describes how to connect the access point to a wireless LAN controller. Because the
configuration process takes place on the controller, see the Cisco Wireless LAN Controller
Configuration Guide for additional information. This guide is available on Cisco.com.
The Controller Discovery Process
The 1040 series access point uses the IETF standard Control and Provisioning of Wireless Access
Points Protocol (CAPWAP) to communicate between the controller and other wireless access points on
the network. CAPWAP is a standard, interoperable protocol which enables an access controller to
manage a collection of wireless termination points. The discovery process using CAPWAP is identical
to the Lightweight Access Point Protocol (LWAPP) used with previous Cisco Aironet access points.
LWAPP-enabled access points are compatible with CAPWAP and conversion to a CAPWAP controller
is seamless. Deployments can combine CAPWAP and LWAPP software on the controllers.
The functionality provided by the controller does not change except for customers who have Layer 2
deployments, which CAPWAP does not support.
In a CAPWAP environment, a wireless access point discovers a controller by using CAPWAP discovery
mechanisms and then sends it a CAPWAP join request. The controller sends the access point a
CAPWAP join response allowing the access point to join the controller. When the access point joins
the controller, the controller manages its configuration, firmware, control transactions, and data
transactions.
For additional information about the discovery process and CAPWAP, see the Cisco Wireless
Note
LAN Controller Software Configuration Guide. This document is available on Cisco.com.
You cannot edit or query any access point using the controller CLI if the name of the access
Note
point contains a space.
Make sure that the controller is set to the current time. If the controller is set to a time that
Note
has already occurred, the access point might not join the controller because its certificate may
not be valid for that time.
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