802.1X (PEAP) authentication issue - TechRepublic
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February 6, 2008 at 07:01 AM
robsimkins

802.1X (PEAP) authentication issue

by robsimkins . Updated 17 years, 1 month ago

Hi guys,

We’re using PEAP for non-domain WLAN guests. This currently means they need to disable the “Validate Server Cert” option and their domain/machine name, username and PW are added to the local list on RADIUS.
“authenticate as computer when computer information is available” is unchecked.

On the RADIUS – PEAP config is for 480 min session and Fast Reconnect is enabled (also enabled on clients).

The users are dropping off and reassociating quite regularly but not at repetetive intervals – an auth failure log is generated by the RADIUS (ACS v4.0) “PEAP auth failed during SSL handshake”, they then pass authentication a few seconds later.

2 questions:

1. Does anyone know what causes this behaviour to occur?

2. Does anyone know a method of debugging the 802.1X on the client side? (WZC is supplicant – AEGIS v3.7.4.0)

Thanks in advance,

Rob

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