Relaying of accounting requests between Freeradius servers

[tnt at kalik.net]

>I have finally been able to upgrade my secondary freeradius server to
>2.1.3 and I must commend everyone on their hard work, the changes are
>great :)
>
>I am having some trouble but would like to clarify my understanding
>before posting all my problem details in case I have misunderstood
>something.
>My question is independent of server or platform version and addresses
>the fundamental mechanics of the relaying process.
>
>I am using a virtual server setup to proxy accounting requests between 2
>servers for mirroring purposes.
>
>As I understand the process server 1 receives an accounting request,
>which it will process according to its accounting section (in my case
>inserted into a table via the sql module).
>If successful, it will then proxy the request to server 2, which will
>also process it according to its own accounting section.
>Server 2 will then attempt to proxy the request to server 1 as per its
>proxy configuration, but will fail on a duplicate record, which will
>stop duplication from occuring.

Configure server 2 *not* to proxy requests coming from server 1 back to
it. And server 1 not to proxy requests coming from server 2 back to it.
There is no reason to send them back.

if (NAS-IP-Address != server1) {
     update control {
           Proxy-To-Realm := server1
     }
}

Ivan Kalik
Kalik Informatika ISP