<div dir="ltr"><div>Si mi sembra che il collegamento radio  non funzioni. Magari qualcuno sta usando lo stesso canale, oppure qualcuno usa le stesse frequenze che usi tu ma magari neanche tcp-ip  prova a fare air-vgiew con l'antenna<br><br></div>Matteo<br></div><div class="gmail_extra"><br><div class="gmail_quote">2017-02-20 13:50 GMT+01:00 Claudio <span dir="ltr"><<a href="mailto:claud43@gmail.com" target="_blank">claud43@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>casualmente mi accorgo che da un nodo configurato in modo groundrouter da un'antenna il traffico olsr risulta bloccato sia uscita e entrata . <br><br></div><div>facendo il restart di olsr da entrambi i router non cambiava assolutamente niente <br><br></div><div>ho risolto solo riavviando l'antenna (litebeam M5AC) access point....<br><br></div><div>qualcuno mi sa spiegare il motivo?? <br><br></div><div>ricercando un pò su google sembrerebbe qualcosa tipo: Attacco DDOS o cosa??? ma in porte diverse...<br></div><div><br></div>i log. del router <br><br><br>Neighbour IP     Hostname     Interface     Local interface IP     LQ     NLQ     ETX     SNR<br><a href="http://172.31.90.31" rel="noopener noreferrer" target="_blank">172.31.90.31</a>    ?    antenna1    <a href="http://172.31.90.54" rel="noopener noreferrer" target="_blank">172.31.90.54</a>    1.000    1.000    1.000    ?<br><a href="http://172.31.90.48" rel="noopener noreferrer" target="_blank">172.31.90.48</a>    ?    antenna3    <a href="http://172.31.90.56" rel="noopener noreferrer" target="_blank">172.31.90.56</a>    0.195    1.000    5.100    ?<br><a href="http://172.31.90.47" rel="noopener noreferrer" target="_blank">172.31.90.47</a>    ?    antenna2    <a href="http://172.31.90.55" rel="noopener noreferrer" target="_blank">172.31.90.55</a>    0.000    1.000    0.000    ?<br><br><br><br><br>Sun Feb 19 14:25:41 2017 kern.debug kernel: [85121.370000] UDP: bad <br>checksum. From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a> ulen 60<br>Sun Feb 19 16:09:44 2017 kern.debug kernel: [91364.280000] UDP: short packet: From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> 624/592 to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a><br>Sun Feb 19 16:30:29 2017 kern.debug kernel: [92610.130000] UDP: short packet: From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> 158/156 to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a><br>Sun Feb 19 17:27:24 2017 kern.debug kernel: [96024.770000] UDP: short packet: From <a href="http://172.31.90.47:17082" target="_blank">172.31.90.47:17082</a> 1376/352 to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a><br>Sun Feb 19 18:01:31 2017 kern.debug kernel: [98071.400000] UDP: bad checksum. From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a> ulen 60<br>Sun Feb 19 18:11:54 2017 kern.debug kernel: [98695.110000] UDP: bad checksum. From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a> ulen 60<br>Sun Feb 19 18:21:19 2017 kern.debug kernel: [99259.260000] UDP: short packet: From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> 260/256 to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a><br>Sun Feb 19 21:05:57 2017 kern.debug kernel: [109137.970000] UDP: short packet: From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> 170/168 to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a><br>Sun Feb 19 22:11:38 2017 kern.debug kernel: [113078.630000] UDP: bad checksum. From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a> ulen 60<br>Mon Feb 20 00:14:57 2017 kern.debug kernel: [120478.<a href="tel:050%20000" value="+39050000" target="_blank">050000</a>] UDP: bad checksum. From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a> ulen 36<br>Mon Feb 20 04:29:10 2017 kern.debug kernel: [135730.520000] UDP: short packet: From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> 4292/196 to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a><br>Mon Feb 20 04:43:53 2017 kern.debug kernel: [136613.510000] UDP: bad checksum. From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a> ulen 60<br>Mon Feb 20 05:30:10 2017 kern.debug kernel: [139390.930000] UDP: bad checksum. From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a> ulen 76<br>Mon Feb 20 08:04:44 2017 kern.debug kernel: [148664.220000] UDP: bad checksum. From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a> ulen 60<br>Mon Feb 20 08:10:09 2017 kern.debug kernel: [148989.190000] UDP: short packet: From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> 33124/356 to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a><br>Mon Feb 20 10:14:49 2017 kern.debug kernel: [156469.960000] UDP: bad checksum. From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a> ulen 60<br>Mon Feb 20 11:49:27 2017 kern.debug kernel: [162147.470000] UDP: bad checksum. From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a> ulen 60<br>Mon Feb 20 12:00:<a href="tel:06%202017" value="+39062017" target="_blank">06 2017</a> kern.debug kernel: [162786.320000] UDP: short packet: From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> 2396/348 to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a><br>Mon Feb 20 12:09:08 2017 kern.debug kernel: [163328.330000] UDP: short packet: From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> 440/312 to <a href="http://172.31.255.255:1722" target="_blank">172.31.255.255:1722</a><br>Mon Feb 20 12:18:34 2017 kern.debug kernel: [163894.170000] UDP: bad checksum. From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a> ulen 60<br>Mon Feb 20 12:26:42 2017 kern.debug kernel: [164382.850000] UDP: short packet: From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> 4324/228 to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a><br>Mon Feb 20 12:41:00 2017 kern.debug kernel: [165240.520000] UDP: short packet: From <a href="http://172.31.90.47:698" target="_blank">172.31.90.47:698</a> 408/400 to <a href="http://172.31.255.255:698" target="_blank">172.31.255.255:698</a><br>Mon Feb 20 12:46:30 2017 kern.debug kernel: [165570.490000] UDP: short packet: From <a href="http://172.31.90.47:954" target="_blank">172.31.90.47:954</a> 1360/336 to <a href="http://172.31.255.255:1722" target="_blank">172.31.255.255:1722</a><br><br><br></div>
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<br></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><i><b>Matteo Pedani</b></i><br><br><a href="http://www.pedani.it" target="_blank">www.pedani.it</a><font size="1">    <br>mobile +39  3343637690  <br>phone +39 0699341466<br>phone +39 069415152  </font>   <br><br><br><br></div>
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