FR2: combining round-robin and fail-over home server pools

[Alan DeKok]

John Horne wrote:
> I am in the process of configuring FreeRADIUS 2.0.1. For some realms we
> proxy the authentication request to three other servers (svr-1, svr-2,
> svr-3). However, what we wanted was to, in effect, round-robin two of
> the servers (svr1 and svr-2), and then only use the third server (svr-3)
> if the other two were not available.

  That can't really be done in the current config.

> Note that 'local_IAS' is actually a home_server_pool name, and not an
> actual home server. I was then going to configure FR to use
> 'local_proxies' for the relevant realms. However, starting FR gives an
> error:
> 
>    /usr/local/etc/raddb/proxy.conf[87]: Unknown home_server "local_IAS".

  Yes.  The "home_server" is not a "home_server_pool".

> Anyone any ideas how to mix round-robin servers with fail-over?

  Edit the source code.

  Alan DeKok.