This is a basic workflow when you use the command test aaa radius, as shown in the image. You can now remotely verify if the WLC-Radius server communication fails or if the credentials for the client results in a passed or failed authentication. The test aaa radius command lets you do just that.
Up until now there was no easy way to identify if an authentication failure was caused by the radius server which rejects the client, or just simply a reachability issue. In an increasingly critical wireless network, this can cause significant downtime. In order to troubleshoot, it often requires to get hold of the problematic client, work with the end users who cannot have the best knowledge of wireless networks and to collect debugs and captures. Wireless client authentication issues are one of the most difficult problems that wireless network engineers face. If your network is live, ensure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. This document is not restricted to specific software and hardware versions. Prerequisites RequirementsĬisco recommends that you have knowledge of Wireless LAN Controller (WLC) code 8.2 and higher.
This document describes how the test aaa radius command on the Cisco WLC can be used to identify radius server connectivity and client authentication issues without the use of a wireless client.
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