L2TP VPN clients problems with LWAPP APs

Unanswered Question
Jan 15th, 2008
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We have just converted the APs in our medical school to LWAPP. The med school is the only group here that uses the native Windows L2TP/IPSec VPN client.

Now they are experiencing frequent VPN disconnects, so much so that it is unusable. What I see in the VPN logs is:

Session closed on tunnel (peer 1,

local 15427, serial 0), reason: Call disconnected for administrative reasons

Any idea what is causing this or how to fix it? The clients do not appear to be dropped from the AP when this happens, although that is somewhat difficult to tell as the client association report only shows associations; not dis-associations...



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Anonymous (not verified) Tue, 01/22/2008 - 09:26
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If you are using Pre-shared for authentication try using certificates. That is the recommnded method of authentication by Microsoft.


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