NAS online/offline?

[mnisay]

if you cannot ping the NAS, probably it is down.
however, when your NAS updates its accounting, radius will no be aware to
remove its stale sessions,
i believe, the time taken here depends on how your NAS updates accounting
packets to your RAS.
with my case it is from 2 minutes to 10 minutes, the stale sessions will be
gone.
it is not good and advisable to force and remove the stale sessions
completely using 
zap commands, it is depreciated but it does the job.
hope it helps

   _____  

From:
freeradius-users-bounces+mnisay=aim-consultants.com at lists.freeradius.org
[mailto:freeradius-users-bounces+mnisay=aim-consultants.com at lists.freeradius
.org] On Behalf Of nikwan (sent by Nabble.com)
Sent: Tuesday, February 07, 2006 2:06 PM
To: freeradius-users at lists.freeradius.org
Subject: NAS online/offline?


Hypothetically situation: 
You have users logged into a NAS. the NAS goes down without warning (power
failure...) Users who where logged in now have sessions which are not
complete (acctstoptime is set to NULL). In my case Simultaneous logins is
disabled and need to be so. Therefore once the NAS is brought back up. the
users cant log back in, as radius will not authorize the users as they are
apparently logged in. 
My question is... How do i set the accstoptime to the time when the NAS goes
down. Is there a way to see when a NAS dies.... 
Any input will be greatly appreciated 

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