On 08/28/2012 05:26 PM, Matthias Nagel wrote:
is incomplete, i.e. it only has as start time. The latter never will
be completed, because the stop message has already been processed and
acknowledged to the authenticator.
Aside from anything else - you need to handle this case. Accounting is
UDP-based and might be dropped, even with retries.
We use an SQL query to "expire" accounting sessions which haven't been
updated in 2 hours. Since our maximum interim-accounting interval is 30
minutes, that covers most cases.
e.g.
update radacct set acctstoptime=now()
where
now() - acctstarttime + (coalesce(acctsessiontime,0)||'
seconds')::interval > '2 hours'
If your NAS generates truly unique acctsessionid values, even across
reboots (some do) maybe you can modify the SQL to handle this case, for
example by setting a unique index on that column.
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