I have about 50 people connecting through the L2TP vpn on a UTM 320 in an HA configuration with the latest software. (It's done this through multiple builds though) If the users lose connection due to the internet dropping such as them losing their wifi at home, they can no longer connect to the vpn when their internet connection is restored. The only remedy that i have found if this happens is to restart the entire UTM, fail over to the other one and then it works again. I am thinking that it is holding the session and doesn't know the user disconnected or something. There has to be another way to fix this though!
Thank you
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