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
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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