Radius Load-Balancing concept

Sebastian Ganschow sebastian at ganschow.name
Thu Jan 3 11:31:26 CET 2008


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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