Radius Load-Balancing concept

[Duane Cox]

I'm doing this with no problem.

I have 2 freeradius servers both writing/reading the same dbms

I have split my load up so some NASes use one radiusd as a primary and the
other as the secondary.  Then reversed that role for other NASes.  It gives
a nice balance and if one were to fail, they just query the one left
standing.


-----Original Message-----
From: freeradius-users-bounces+duanec=mail.illicom.net at lists.freeradius.org
[mailto:freeradius-users-bounces+duanec=mail.illicom.net at lists.freeradius.or
g] On Behalf Of Sebastian Ganschow
Sent: Thursday, January 03, 2008 4:31 AM
To: freeradius-users at lists.freeradius.org
Subject: Radius Load-Balancing concept

Hi,

we're planing to reinstall our Radius servers.
Currently we have two servers running, each with an own mysql server for
the accounting records. If server 1 fails server 2 takes over. The
accounting data is exchange with radrelay,

I'm thinking to switch from this fail-over concept to a load-balancing
concept and I would like to ask, if this concept would work.

I want to install 2 radius servers and a postgres database cluster. Both
radius servers will write their accounting data into the same database.
Some of our NASes will use the first, the others the second server as
primary radius server. If one of the server fails the other server will
take over all NASes.

Does it work, if both servers will write into the same database?
Do I need to set up radrelay to exchange the accounting data between the
two servers?
Will this concept work in general?

Thanks in advance

Regards
Sebastian



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