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natpmp doesn't send multicast announce on IP change

 
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briankwest



Joined: 08 Jun 2009
Posts: 3

PostPosted: Mon Jun 08, 2009 5:06 pm    Post subject: natpmp doesn't send multicast announce on IP change Reply with quote

We have noticed that natpmp doesn't send the multi cast when the external IP changes... is this a known issue?

Thanks,
Brian
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miniupnp
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Joined: 14 Apr 2007
Posts: 1518

PostPosted: Tue Jun 09, 2009 7:29 pm    Post subject: Reply with quote

it still needs to be implemented.
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nuclight



Joined: 17 Jan 2008
Posts: 23

PostPosted: Fri Jul 24, 2009 9:16 am    Post subject: Reply with quote

Yes, but that is the only multicast part of NAT-PMP and clients seem to work without it. In fact, when I implemented custom NAT-PMP daemon for case with several public IPs for clients in one subnet (see http://miniupnp.tuxfamily.org/forum/viewtopic.php?t=436&start=15), that was the only possibilty to have port redirection working - in UPnP multicast is mandatory, in NAT-PMP it's not, so I just couldn't get it working with UPnP.

Of course, in my conditions it was not possible to do multicast by direct unicast for every address in loop could do the work as an alternative. However, when you have several public addresses, they're definetely not changing fast, so I didn't implement this feature too :)
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miniupnp
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Joined: 14 Apr 2007
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PostPosted: Fri Nov 06, 2009 9:25 pm    Post subject: Re: natpmp doesn't send multicast announce on IP change Reply with quote

briankwest wrote:
We have noticed that natpmp doesn't send the multi cast when the external IP changes... is this a known issue?

Thanks,
Brian

I implemented something today :
miniupnpd-1.4.20091106.tar.gz

The multicast message should be sent when the signal SIGUSR1 is received.
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