<div dir="ltr">Hello Doug,<div><br></div><div>I found the following article detailing NAT table issues with that specific router: <a href="http://www.dslreports.com/faq/16233">http://www.dslreports.com/faq/16233</a></div>
<div><br></div><div>It appears that one possible work around is to upgrade the firmware to increase the size of the NAT table. You may want to check if there is a firmware upgrade available for your friend's router.</div>
<div><br></div><div>It sounds like you could be experiencing a potential NAT timeout issue. I believe IAX has a 60 second refresh set by default. The router could possibly be expiring the NAT translation if the NAT timeout on the router is set to something less than 60 seconds. In which case you'd have to recompile iax2.h with '#define IAX_DEFAULT_REG_EXPIRE 60' set to something like '#define IAX_DEFAULT_REG_EXPIRE 29', or change the NAT timeout setting in the router.</div>
<div><br></div><div>You could easily do a 'tcpdump port 4569' on your friends system from the command prompt (logged in as root) to see if traffic is reaching his system on port 4569.</div><div><br></div><div>I hope this helps.</div>
<div><br></div><div>Thanks!</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Jan 10, 2014 at 9:41 PM, Doug Crompton <span dir="ltr"><<a href="mailto:doug@crompton.com" target="_blank">doug@crompton.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr"><font face="Tahoma">I am remotely trying to troubleshoot a friends new Allstar installation. I can ssh in and connect out to nodes but I cannot connect in to the system from external nodes. Port 4569 is forwarded.<br>
<br>I discovered this link -<br><br><a href="http://www.voip-info.org/wiki/view/IAX" target="_blank">http://www.voip-info.org/wiki/view/IAX</a><br><br>about consistent NAT and I was wondering if that might be the problem.<br>
<br>I was able to connect in one time right after a reboot which might support the NAT issue.<br><br>The router is an Actiontek MI424WR GigE as supplied by Verizon on their FIOS system.<br><br>Is anyone else having a problem with this router or have any ideas on this? </font><br>
<br><font face="Tahoma">Nothing is logged at the server or shows up in the client on the system which kind of points to a routing failure.</font><br><br><font face="Tahoma">Is there a good way to check for open port 4569 as I don't think normal port scan programs will check this</font>.<br>
<br><b><font style="font-size:16pt" size="4">73 Doug</font><font style="font-size:16pt" size="4"><br></font><font style="font-size:16pt" size="4">WA3DSP</font><font style="font-size:16pt" size="4"><br></font><font style="font-size:16pt" size="4"><a href="http://www.crompton.com/hamradio" target="_blank">http://www.crompton.com/hamradio</a></font></b><font style="font-size:16pt" size="4"><br>
</font> </div></div>
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