Monitoring Tool for Freeradius

[Arran Cudbard-Bell]

Marinko Tarlac wrote:
> We have a wireless network and sometimes when link between two points 
> is down, radius updates are not received and session stays opened. I 
> solved this problem with additional field in radacct table and I place 
> time stamp inside that field on every update. If there is no update in 
> 5 minutes (i can define interval), script closes connection.
Not every NAS supports sending periodic accounting updates.
> This will solve your problems with opened connections. But what if 
> user still stays connected after link is back and his session is closed?
> Answer: Traffic won't be recorded because user don't have opened 
> connection (session with AcctStopTime = '0000-00-00 00:00:00')
>
Or you update your SQL queries to reopen the session when additional 
data is collected ...

The only reliable solution is to Poll the NAS everything else is just 
guessing.
>
>
>
> On Feb 1, 2008 1:53 PM, Arran Cudbard-Bell 
> <A.Cudbard-Bell at sussex.ac.uk <mailto:A.Cudbard-Bell at sussex.ac.uk>> wrote:
>
>     Devinder Singh wrote:
>     >
>     > Hi
>     >
>     > I had use daloradius and you can monitor how many users are
>     online etc
>     It's guessing from the number of 'open' sessions in your accounting
>     database (those without a stop time), if something goes wibble on the
>     NAS or infrastructure between the NAS and server, and a user
>     disconnects
>     in that period (and maximum retries are hit, all hosts exhausted etc)
>     then the Accounting Stop packet will be discarded by the switch
>     and that
>     session will never be recorded as closing.
>
>     Any good administration tool should include tools to query the
>     standard
>     dot1x MIB and to periodically go round and check all 'open'
>     sessions by
>     polling the NAS's and ammend the information in the database
>     appropriately. Isn't there even a tool / script included in the FR
>     distro that does this ?
>     >
>     > On 01/02/2008, *Julian Stöver* <julian_st at gmx.de
>     <mailto:julian_st at gmx.de>
>     > <mailto:julian_st at gmx.de <mailto:julian_st at gmx.de>>> wrote:
>     >
>     >     Hello,
>     >     is there any monitoring tool for freeradius or another
>     possibility to
>     >     see how many people are logged in and to do some other
>     stuff? like the
>     >     monitoring tool for openvpn? Would be nice if there's something
>     >     avaible!
>     >
>     >     bye!
>     >     julian
>     >     -
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>     >
>     >
>     >
>     > --
>     > Devinder
>     >
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>     --
>     Arran Cudbard-Bell (A.Cudbard-Bell at sussex.ac.uk
>     <mailto:A.Cudbard-Bell at sussex.ac.uk>)
>     Authentication, Authorisation and Accounting Officer
>     Infrastructure Services | ENG1 E1-1-08
>     University Of Sussex, Brighton
>     EXT:01273 873900 | INT: 3900
>
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