[Serusers] DNS failover

Nuno Ribeiro nribeiro82 at gmail.com
Wed Nov 5 18:39:59 CET 2008


Thanks Andrei.
I will follow your advise.

Regards,


On Wed, Nov 5, 2008 at 5:25 PM, Andrei Pelinescu-Onciul <andrei at iptel.org>wrote:

> On Nov 05, 2008 at 17:20, Nuno Ribeiro <nribeiro82 at gmail.com> wrote:
> > Hi all,
> >
> > I have a scenario where I was testing DNS failover and this feature seems
> to
> > fail. I will try to explain the scenario:
> > I'm trying to establish a call between two user Agents, where one of the
> > users has services associated (trigger to ASs) to the session
> establishment
> > signaling (INVITE). So when SER makes the DNS query receives 2 ip
> addresses
> > for this AS. The sip message will be correctly forwarded to one of this
> two
> > entries and if in case of failure it will try to send the message to the
> > next entry (second ip address). But when we are triggering to the AS we
> will
> > add a route header and this header is not created in the second case,
> i.e.
> > after DNS failover as the SIP INVITE will be created based in the SIP
> > message received  and not in the SIP message sent in the first place.
> > So anyone has any thoughts about this question and a solution to it?
>
> Yes, try ser 2.1 :-)
> (it's fixed  in there, see the reparse_on_dns_failover parameter).
>
> Andrei
>



-- 
Nuno Ribeiro
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