No,<br><br>it is not a MTU problem. TCP packet are small (I&#39;m sending only few characters) and big packet size (1400 byte) ping works<br><br><br><br><div class="gmail_quote">2009/10/5 Marek Lindner <span dir="ltr">&lt;<a href="mailto:lindner_marek@yahoo.de">lindner_marek@yahoo.de</a>&gt;</span><br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
Hi,<br>
<div class="im"><br>
&gt; The IP connectivity is ok and I can ping from B1 to EX and vice versa.<br>
&gt; I have installed a tcp echo server on the three nodes and it works between<br>
&gt; B1-GW and GW-EX, but I have problem with B1-EX test.<br>
&gt; B1 correctly receives data from EX, but EX application doesn’t receive data<br>
&gt; from B1. I repeated the test without batman and everything works fine.<br>
&gt; Do you have any suggestion?<br>
<br>
</div>could be a MTU problem. Does a big packet size ping work ?<br>
<br>
Regards,<br>
Marek<br>
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</blockquote></div><br>