If you are using mysql to store accounting and auth data the best solution
is to have mysql cluster which is high available shared nothing DB (no need
for any kind of shared storage ) with high performance ( 1 billion
transaction as claimed ny oracle for the new version 7.2.4).
By the way there is a white paper on using freeradiu with mysql cluster,
you can find it in mysql website.
On 2012 3 2 23:32, McNutt, Justin M. mcnu...@missouri.edu wrote:
Be careful with load balancers too. Some NAS don't work well through a
load balancer (Trapeze wireless controllers).
--J
From: Толик Шавловский tolik_shavlov...@mail.rumailto:
tolik_shavlov...@mail.ru
Reply-To: Толик Шавловский tolik_shavlov...@mail.rumailto:
tolik_shavlov...@mail.ru, FreeRadius users mailing list
freeradius-users@lists.freeradius.orgmailto:
freeradius-users@lists.freeradius.org
Date: Thu, 1 Mar 2012 17:52:29 +0400
To: FreeRadius users mailing list freeradius-users@lists.freeradius.org
mailto:freeradius-users@lists.freeradius.org
Subject: Re[2]: High Avaibility
Hi,
if your NAS does not support 2 radius servers you can use load balancer
(ex fortinet).
01 марта 2012, 15:37 от Phil Mayers p.may...@imperial.ac.ukmailto:
p.may...@imperial.ac.uk:
On 01/03/12 10:16, Anto wrote:
Hello
In the coming days I will set up a freeradius server for access
control and accounting. I've been looking for information on
freeradius and high availability, since my idea is to have two servers
in case one fails, continue to operate with the other, but I just
found information. So I turn to the list, in case I can recommend
someone with experience on stage.
I do not know if it is feasible to have a server as master and one
slave, when the main falls, the other up the interface. If there is
some kind of balancer radius and use both servers, etc..
This is a very vague question. You're going to get a lot of either
too-vague or too-specific answers.
A few things you need to specify:
1. When you say high availability what are you hoping to achieve?
2. How long can you tolerate when an unscheduled outage for? 1 second
or 60?
3. Do your RADIUS servers talk to external data sources (SQL, LDAP)?
4. Do you care about load-balancing, or just high-availability?
I'll make a few comments:
Most NASes support 2 (or more) RADIUS servers, and will fail over when
they detect an outage. For resilience, you just need to build two RADIUS
servers on different IPs, and specify these in your NAS.
You don't need a load-balancer or other complications, and they will
just make things less reliable.
Making redundant RADIUS servers is easy; you just build two machines,
and run FreeRADIUS on each with the same config. The hard bit is
replicating any data sources between them (LDAP, SQL) and handling
writes such as accounting packets into SQL, SQL session counters, and
so on.
You need to be more specific about what you're doing and what you want
to achieve.
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