Many WLAN systems implement 802.1X security mechanisms. If this is the case, ensure that the client device is successfully authenticating with the network. You can do so by observing the access point authentication status table or RADIUS server administration. If you are testing a wireless IP phone application, for example, be sure that each phone properly authenticates with the system. If only Wired Equivalent Privacy (WEP) security is in use, the phone will not authenticate with the access point if the WEP on the phone does not match the WEP key configured in the access point. In this case, the phone will not even associate with the access point. When using Lightweight Extensible Authentication Protocol (LEAP), the phone may associate with the access point but not authenticate with the LEAP authentication server. Therefore, verify that the phone is actually authenticating with the authentication server. To do this, you will probably need to access the authentication logs on the server. If the phone is not authenticating, check that the LEAP username and password entered in the phone are the same as those configured in the authentication server.
Leave a Reply
You must be logged in to post a comment.