[SR-Users] Kamailio & rtpproxy with more than one external IP interfaces

[Leonid Fainshtein]

Thank you, Karsten. I’ll take a look.
Meantime, I have have built the system by using two instances of rtpproxy.
Best regards,
Leonid

On Thu, 30 Apr 2020 at 21:04 Karsten Horsmann <khorsmann at gmail.com> wrote:

> Hi Leonid,
>
>
> as an idea how you can solve this problem you can take a look at the
> config of plusnet SBCOS (Kamailio and rtpengine based)
>
> They use an privat to public selector in a smart way.
>
> The dispatcher use the attrs with socket parameter as selector (your
> routing problem solved) and the address module to select ids for selector
> of rtpengine ips.
>
> https://github.com/voiceboys/sbcOS/tree/master/SbcOS/configs/voice/kamailio
>
>
> https://github.com/voiceboys/sbcOS/blob/master/DOC/TRUNKING_TRUNK
>
> Cheers
> Karsten
>
>
> Leonid Fainshtein <leonid.fainshtein at xorcom.com> schrieb am Mi., 22. Apr.
> 2020, 17:18:
>
>> Hi,
>> My server has several external IP interfaces and one internal interface.
>> For some calls I would like to handle RTP via Ext1<->Int interfaces and for
>> other calls: via Ext2<->Int.
>> In order to achieve this,  I don't define the '-l' rtpproxy parameter,
>> and depending on the call, I set the required IP address as a parameter of
>> rtpproxy_manage().
>> I didn't succeed to get the desired result.
>> On my testbed, I have the following interfaces:
>> Ext1: 192.168.0.31
>> Ext2: 192.168.0.32
>> Int:     10.159.65.1
>>
>> When I try to create Ext2<->Int (192.168.0.32<-> 10.159.65.1), the
>> packets that accepted on the internal interface are sent out from the
>> Ext1(192.168.0.31) instead of Ext2 (192.168.0.32). It looks like the
>> decision about the source address is made based on the IP routing table
>> information (?).
>> Also, I would like to have an advertised address for at least one
>> external interface.
>>
>> Is it achievable with just one instance of rtpproxy? Or, it is necessary
>> to run two rtpproxies in the bridged mode wit configured advertize
>> addresses?
>>
>> Thank you in advance,
>> Leonid
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>
-- 
Best regards,
Leonid Fainshtein
Xorcom Ltd
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kamailio.org/pipermail/sr-users/attachments/20200430/9db070a2/attachment.html>