Cisco Cisco Access Registrar 4.2 Specifikace stáhnout pdf (Strana 299)

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Cisco Wireless LAN Controller Configuration Guide

OL-13826-01

Chapter 6 Configuring WLANsWireless Device Access

Configuring WLANs

Configuring Cisco Client Extensions

Cisco Client Extensions (CCX) software is licensed to manufacturers and vendors of third-party client

devices. The CCX code resident on these clients enables them to communicate wirelessly with Cisco

access points and to support Cisco features that other client devices do not, including those related to

increased security, enhanced performance, fast roaming, and superior power management.

The 4.2 release of controller software supports CCX versions 1 through 5, which enables controllers and

their access points to communicate wirelessly with third-party client devices that support CCX. CCX

support is enabled automatically for every WLAN on the controller and cannot be disabled. However,

you can configure a specific CCX feature per WLAN. This feature is Aironet information elements (IEs).

If Aironet IE support is enabled, the access point sends an Aironet IE 0x85 (which contains the access

point name, load, number of associated clients, and so on) in the beacon and probe responses of this

WLAN, and the controller sends Aironet IEs 0x85 and 0x95 (which contains the management IP address

of the controller and the IP address of the access point) in the reassociation response if it receives Aironet

IE 0x85 in the reassociation request.

Follow the instructions in this section to configure a WLAN for the CCX Aironet IE feature and to see

the CCX version supported by specific client devices using either the GUI or the CLI.

Note CCX is not supported on the AP1030.

Using the GUI to Configure CCX Aironet IEs

Follow these steps to configure a WLAN for CCX Aironet IEs using the GUI.

Step 1 Click WLANs to open the WLANs page.

Step 2 Click the profile name of the desired WLAN to open the WLANs > Edit page.

Step 3 Click the Advanced tab to open the WLANs > Edit (Advanced tab) page (see Figure 6-13).

Step 4 Check the Aironet IE check box if you want to enable support for Aironet IEs for this WLAN.

Otherwise, uncheck this check box. The default value is enabled (or checked).

Step 5 Click Apply to commit your changes.

Step 6 Click Save Configuration to save your changes.

Using the GUI to View a Client’s CCX Version

A client device sends its CCX version in association request packets to the access point. The controller

then stores the client’s CCX version in its database and uses it to limit the features for this client. For

example, if a client supports CCX version 2, the controller does not allow the client to use CCX version

4 features. Follow these steps to see the CCX version supported by a particular client device using the

GUI.

Step 1 Click Monitor > Clients to open the Clients page.

Step 2 Click the MAC address of the desired client device to open the Clients > Detail page (see Figure 6-14).

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Cisco Cisco Access Registrar 4.2 Specifikace Strana 299