[Users] rtpproxy - ICMP unreacheable host

Bogdan-Andrei Iancu bogdan at voice-system.ro
Wed Apr 4 17:24:54 CEST 2007


Hi Amanda,

could you post the RTP capture?

regards,
bogdan

Amanda Mattiuz wrote:
> Thanks for your reply...
>
> I don't understand exactly "lso note that first you need incoming RTP
> (from client to RTPproxy) in order to be able to send RTP behind the 
> nat." ...
>
> Checking the traffic with ethereal in the server (rtproxy and openser 
> are running on the same machine for the moment), I can see that bothe 
> clients are sending packets, but then when rtpproxy routes them to the 
> onthr client, I see "ICMP unreacheable host" for both sides.....
>
> I will check the client more carefully to be sure it is synmetric...
>
> Thanks again!!!!
>
> On 4/3/07, *Bogdan-Andrei Iancu* < bogdan at voice-system.ro 
> <mailto:bogdan at voice-system.ro>> wrote:
>
>     Hi Amanda,
>
>     be sure the devices are symmetric from RTP point of view -
>     otherwise the
>     traversal will not work. Also note that first you need incoming RTP
>     (from client to RTPproxy) in order to be able to send RTP behind
>     the nat.
>
>     regards,
>     bogdan
>
>     Amanda Mattiuz wrote:
>     > Hello!
>     >
>     >
>     > I'm using rtpproxy to handle NAT, but right now I have problems of
>     > unreacheable host... I believe client's firewalls are blocking UDP
>     > traffic coming from the proxy ... I tried to change port range and
>     > nothing seem to make it  work...
>     >
>     > I was wondering if any of you kows something that may fix it....
>     >
>     > Thanks
>     >
>     > --
>     > -------------------------------------------------------------------
>     > Amanda Remes Mattiuz
>     > amattiuz at gmail.com <mailto:amattiuz at gmail.com>
>     <mailto:amattiuz at gmail.com <mailto:amattiuz at gmail.com>>
>     >
>     ------------------------------------------------------------------------
>
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>
>
>
> -- 
> -------------------------------------------------------------------
> Amanda Remes Mattiuz
> amattiuz at gmail.com <mailto:amattiuz at gmail.com> 





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