[ninux-roma] Problemi sulla rete
Matteo Pedani
matteo at pedani.it
Fri May 20 00:02:53 CEST 2016
a me arrivano questi pacchetti dall antenna
root at iris:~# tcpdump -n -i eth0.3
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0.3, link-type EN10MB (Ethernet), capture size 65535 bytes
23:59:30.601389 IP 172.16.177.1.698 > 172.16.255.255.698: OLSRv4, seq
0x3c21, length 1460
23:59:30.615307 STP 802.1d, Config, Flags [none], bridge-id
ffff.24:a4:3c:f6:46:9f.8001, length 39
23:59:30.999967 IP 172.16.177.1.698 > 172.16.255.255.698: OLSRv4, seq
0x3c22, length 1008
23:59:32.165024 IP 172.16.177.1.698 > 172.16.255.255.698: OLSRv4, seq
0x3c23, length 1464
23:59:32.615138 STP 802.1d, Config, Flags [none], bridge-id
ffff.24:a4:3c:f6:46:9f.8001, length 39
23:59:32.726189 IP 172.16.177.1.698 > 172.16.255.255.698: OLSRv4, seq
0x3c24, length 1344
E giusto chemi arrivino anche i pacchetti del protocollo STP 802.1d ?
Il giorno 19 maggio 2016 14:55, nino <nino at ninux.org> ha scritto:
> Ciao a tutti,
> ho passato 5 ore a debbuggare il problema che si e' presentato ieri,
> rendendo anche la mia LAN di casa inutilizzabile...
> Finalmente dovrei aver individuato ed isolato il problema.
> I pacchetti OLSR che girano ovunque in rete portavano appresso dei
> messaggi HNA duplicati con l'originator 172.16.46.1.
> Il nodo che origina tale messaggio e' quello di Matteo ad Alberata. Mi
> dispiace per Matteo, ma per il momento sono stato costretto ad isolarlo
> mettendo un filtro sul traffico UDP con sorgente 172.16.46.1 sul router
> "a terra" del Fusolab.
> Forse c'e' un metodo per inibire la duplicazione, ma per ora non l'ho
> trovato.
> Sembra che ci fosse tanto tempo fa un bug di OLSR che produceva un
> problema affine:
> https://lists.olsr.org/pipermail/olsr-users/2010-September/004148.html
> Matteo aggiorna il tuo OLSR e cerca di capire perche' invii in rete
> messaggi duplicati...
> Ciao
> Nino
>
>
> Riporto un dump un dump di parte del pacchetto OLSR incriminato....
>
> HNA Message (0x04), originator 172.16.46.1, ttl 105, hop 150
> vtime 124.000s, msg-seq 0x1a38, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 16, hop 239
> vtime 124.000s, msg-seq 0x9891, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 57, hop 198
> vtime 124.000s, msg-seq 0xf50b, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 101, hop 154
> vtime 124.000s, msg-seq 0x19f8, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 113, hop 142
> vtime 124.000s, msg-seq 0x1a38, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 25, hop 230
> vtime 124.000s, msg-seq 0x9891, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 62, hop 193
> vtime 124.000s, msg-seq 0xf50b, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 111, hop 144
> vtime 124.000s, msg-seq 0x1a38, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 3, hop 252
> vtime 124.000s, msg-seq 0x97f1, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 152, hop 103
> vtime 124.000s, msg-seq 0x995b, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 109, hop 146
> vtime 124.000s, msg-seq 0xf50b, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 129, hop 126
> vtime 124.000s, msg-seq 0x1a38, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 5, hop 250
> vtime 124.000s, msg-seq 0x97b9, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 32, hop 223
> vtime 124.000s, msg-seq 0x97f1, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 114, hop 141
> vtime 124.000s, msg-seq 0xf50b, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 134, hop 121
> vtime 124.000s, msg-seq 0x1a16, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 20, hop 235
> vtime 124.000s, msg-seq 0x9891, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
> HNA Message (0x04), originator 172.16.46.1, ttl 62, hop 193
> vtime 124.000s, msg-seq 0xf50b, length 52
> Advertised networks (total 1)
> 10.46.3.0/24, 10.46.2.0/24, 10.46.1.0/24, 10.46.0.0/24
> 176.62.53.228/32
>
>
>
> On 05/19/2016 10:26 AM, Nemesis wrote:
> > Ci sono problemi sulla rete, qualcuno รจ riuscito a capire di cosa si
> tratta?
> >
> > Nemesis
> > _______________________________________________
> > Roma mailing list
> > Roma at ml.ninux.org
> > http://ml.ninux.org/mailman/listinfo/roma
>
> _______________________________________________
> Roma mailing list
> Roma at ml.ninux.org
> http://ml.ninux.org/mailman/listinfo/roma
>
--
*Matteo Pedani*
www.pedani.it
mobile +39 3343637690
phone +39 0699341466
phone +39 069415152
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://ml.ninux.org/pipermail/roma/attachments/20160520/eeb4ae52/attachment-0001.html>
More information about the Roma
mailing list