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

[David Villasmil]

I think mapping IPs is a one-to-one relationship

On Wed, 22 Apr 2020 at 16:18, Leonid Fainshtein <
leonid.fainshtein at xorcom.com> wrote:

> 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
>
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-- 
Regards,

David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337
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