Stale sessions problem

Georgi Alexandrov georgi.alexandrov at
Mon Feb 20 21:19:58 CET 2006

On 2/17/06, Georgi Alexandrov <georgi.alexandrov at> wrote:
> Hello,
> I'm running freeradius 1.1.0 + mysql + dialupadmin on a linux 2.6 box
> with a pppoe-server runing on the same machine as nas.
> It works great ;-)
> But i have a problem with stalled sessions.
> I have set simultaneous use :=1.
> I have set "sql" in the session section in radiusd.conf.
> If a user that somehow failed network connectivity and failed to tell
> the server "account stop" tries to reconnect back it won't let him
> because his previous session is stalled. I need a mechanism that will do
> a check upon connection if the session is stalled, delete it and let the
> user in or if there is already a real user logged in deny the connecting
> one.
> I read from the mailing lists that radzap should do the job but i can't
> seem to figure out how to integrate it in that setup (the man page
> explains only the syntax).
> I also use the ippool module to give (and it should return back too) ip
> addresses from a given pool range. I need to be sure that it will return
> an ip to the pool if there's a stalled session detected by the needed
> mechanism.
> At the moment radwho and rlm_ippool_tool show about twice or more
> entries than the number actually used.
> Please advice ;-)
> --
> regards,
> Georgi Alexandrov
> Key Server = :: KeyID = 37B4B3EE
> Key Fingerprint = E429 BF93 FA67 44E9 B7D4  F89E F990 01C1 37B4 B3EE

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