[sr-dev] t_relay with param is unknown

[Andrei Pelinescu-Onciul]

On Jun 01, 2009 at 19:11, Juha Heinanen <jh at tutpro.com> wrote:
> Andrei Pelinescu-Onciul writes:
> 
>  > Yes, but with the added twist that most of the time the failure route
>  > will be called for unreachable tcp destinations if tcp_async is on
>  > (default) and the destination is not yet in the blacklist.
> 
> so if use_dst_blacklist is "off" and tcp connection setup fails,
> failure_route will be always called?

In most cases. It depends on the tcp stack and if a non-blocking connect
 returns pending or the remote responds so fast that it would return and
 error (e.g. connect to localhost).
So you shouldn't rely on this behaviour.

Andrei