[Ninux-Wireless] traffico bloccato da un'antenna dopo eventi strani

Matteo Pedani matteo a pedani.it
Lun 20 Feb 2017 19:21:29 CET


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

Matteo

2017-02-20 13:50 GMT+01:00 Claudio <claud43 a gmail.com>:

> casualmente mi accorgo che da un nodo configurato in modo groundrouter da
> un'antenna il traffico olsr risulta bloccato sia uscita e entrata .
>
> facendo il restart di olsr da entrambi i router non cambiava assolutamente
> niente
>
> ho risolto solo riavviando l'antenna (litebeam M5AC) access point....
>
> qualcuno mi sa spiegare il motivo??
>
> ricercando un pò su google sembrerebbe qualcosa tipo: Attacco DDOS o
> cosa??? ma in porte diverse...
>
> i log. del router
>
>
> Neighbour IP Hostname Interface Local interface IP LQ NLQ ETX SNR
> 172.31.90.31 ? antenna1 172.31.90.54 1.000 1.000 1.000 ?
> 172.31.90.48 ? antenna3 172.31.90.56 0.195 1.000 5.100 ?
> 172.31.90.47 ? antenna2 172.31.90.55 0.000 1.000 0.000 ?
>
>
>
>
> Sun Feb 19 14:25:41 2017 kern.debug kernel: [85121.370000] UDP: bad
> checksum. From 172.31.90.47:698 to 172.31.255.255:698 ulen 60
> Sun Feb 19 16:09:44 2017 kern.debug kernel: [91364.280000] UDP: short
> packet: From 172.31.90.47:698 624/592 to 172.31.255.255:698
> Sun Feb 19 16:30:29 2017 kern.debug kernel: [92610.130000] UDP: short
> packet: From 172.31.90.47:698 158/156 to 172.31.255.255:698
> Sun Feb 19 17:27:24 2017 kern.debug kernel: [96024.770000] UDP: short
> packet: From 172.31.90.47:17082 1376/352 to 172.31.255.255:698
> Sun Feb 19 18:01:31 2017 kern.debug kernel: [98071.400000] UDP: bad
> checksum. From 172.31.90.47:698 to 172.31.255.255:698 ulen 60
> Sun Feb 19 18:11:54 2017 kern.debug kernel: [98695.110000] UDP: bad
> checksum. From 172.31.90.47:698 to 172.31.255.255:698 ulen 60
> Sun Feb 19 18:21:19 2017 kern.debug kernel: [99259.260000] UDP: short
> packet: From 172.31.90.47:698 260/256 to 172.31.255.255:698
> Sun Feb 19 21:05:57 2017 kern.debug kernel: [109137.970000] UDP: short
> packet: From 172.31.90.47:698 170/168 to 172.31.255.255:698
> Sun Feb 19 22:11:38 2017 kern.debug kernel: [113078.630000] UDP: bad
> checksum. From 172.31.90.47:698 to 172.31.255.255:698 ulen 60
> Mon Feb 20 00:14:57 2017 kern.debug kernel: [120478.050000 <050%20000>]
> UDP: bad checksum. From 172.31.90.47:698 to 172.31.255.255:698 ulen 36
> Mon Feb 20 04:29:10 2017 kern.debug kernel: [135730.520000] UDP: short
> packet: From 172.31.90.47:698 4292/196 to 172.31.255.255:698
> Mon Feb 20 04:43:53 2017 kern.debug kernel: [136613.510000] UDP: bad
> checksum. From 172.31.90.47:698 to 172.31.255.255:698 ulen 60
> Mon Feb 20 05:30:10 2017 kern.debug kernel: [139390.930000] UDP: bad
> checksum. From 172.31.90.47:698 to 172.31.255.255:698 ulen 76
> Mon Feb 20 08:04:44 2017 kern.debug kernel: [148664.220000] UDP: bad
> checksum. From 172.31.90.47:698 to 172.31.255.255:698 ulen 60
> Mon Feb 20 08:10:09 2017 kern.debug kernel: [148989.190000] UDP: short
> packet: From 172.31.90.47:698 33124/356 to 172.31.255.255:698
> Mon Feb 20 10:14:49 2017 kern.debug kernel: [156469.960000] UDP: bad
> checksum. From 172.31.90.47:698 to 172.31.255.255:698 ulen 60
> Mon Feb 20 11:49:27 2017 kern.debug kernel: [162147.470000] UDP: bad
> checksum. From 172.31.90.47:698 to 172.31.255.255:698 ulen 60
> Mon Feb 20 12:00:06 2017 kern.debug kernel: [162786.320000] UDP: short
> packet: From 172.31.90.47:698 2396/348 to 172.31.255.255:698
> Mon Feb 20 12:09:08 2017 kern.debug kernel: [163328.330000] UDP: short
> packet: From 172.31.90.47:698 440/312 to 172.31.255.255:1722
> Mon Feb 20 12:18:34 2017 kern.debug kernel: [163894.170000] UDP: bad
> checksum. From 172.31.90.47:698 to 172.31.255.255:698 ulen 60
> Mon Feb 20 12:26:42 2017 kern.debug kernel: [164382.850000] UDP: short
> packet: From 172.31.90.47:698 4324/228 to 172.31.255.255:698
> Mon Feb 20 12:41:00 2017 kern.debug kernel: [165240.520000] UDP: short
> packet: From 172.31.90.47:698 408/400 to 172.31.255.255:698
> Mon Feb 20 12:46:30 2017 kern.debug kernel: [165570.490000] UDP: short
> packet: From 172.31.90.47:954 1360/336 to 172.31.255.255:1722
>
>
>
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-- 
*Matteo Pedani*

www.pedani.it
mobile +39  3343637690
phone +39 0699341466
phone +39 069415152
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