<div dir="ltr">Hi,<div><br></div><div>Use your OS routing table. Example in linux:</div><div>#  route add -net 224.0.0.0 netmask 240.0.0.0 dev eth1</div><div>Best regards.</div><div class="gmail_extra"><div><div class="gmail_signature"><div dir="ltr"><br></div></div></div>
<br><div class="gmail_quote">2018-03-22 17:17 GMT+01:00 LP C <span dir="ltr"><<a href="mailto:lp.cordier@dynamixyz.com" target="_blank">lp.cordier@dynamixyz.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi everybody,<br>
<br>
Currently coding a C application that is sending video over the network using MULTICAST, I am looking for a way to set on which network interface the RTP stream should be sent.<br>
<br>
I tried to use 'rtp://<a href="http://237.0.0.1:1234?localaddr=192.168.1.1" rel="noreferrer" target="_blank">237.0.0.1:1234?localadd<wbr>r=192.168.1.1</a>' but it does not work. After digging in the source code of the RTP protocol, it seems that this option is not supported right now.<br>
<br>
Thus I would like to know if I can access to the underlying socket in order to apply IP_MULTICAST_IF using setsockopt (6.3: <a href="https://www.tldp.org/HOWTO/Multicast-HOWTO-6.html" rel="noreferrer" target="_blank">https://www.tldp.org/HOWTO/Mul<wbr>ticast-HOWTO-6.html</a>)<br>
<br>
Any clues of how to solve this issue programmatically?<br>
<br>
Thanks,<br>
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