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[linux-dvb] Re: dvb and dvb0_0 network device
On Thu, Jun 10, 2004 at 09:30:36AM +0200, dvb@cristalys.com wrote:
>
> # dvbsnoop -n 1 101
>
> ----------------------------------------------------------
> SECT-Packet: 00000001 PID: 101 (0x0065), Length: 80 (0x0050)
> Time received: Thu 2004-06-10 09:02:20.367
> ----------------------------------------------------------
> 0000: 3e b0 4d 7b f1 c1 00 00 20 5c d0 00 45 00 00 40 >.M{.... \..E..@
> 0010: 1d 54 00 00 ff 01 89 68 0a 01 00 fe 0a 01 00 01 .T.....h........
> 0020: 08 00 38 8c 03 d5 00 00 00 07 e5 59 00 00 70 fe ..8........Y..p.
> 0030: ab cd ab cd ab cd ab cd ab cd ab cd ab cd ab cd ................
> 0040: ab cd ab cd ab cd ab cd ab cd ab cd 7d 24 f5 0a ............}$..
Looks good to me. If you still get the same output with
# dvbsnoop -n 1 -crc 101
then the CRC is correct, otherwise you have found your problem.
> and the ifconfig gave me:
>
> ----------------------------------------------------------------
> dvb0_0 Lien encap:Ethernet HWaddr 00:D0:5C:20:F1:7B
> inet adr:10.1.0.1 Bcast:10.255.255.255 Masque:255.0.0.0
> UP BROADCAST RUNNING NOARP MULTICAST MTU:4096 Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 lg file transmission:1000
> RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Either there was no traffic, or the CRC was wrong. (You should run
tcpdump after configuring the interface to set it into promiscous mode,
otherwise a wrong MAC address could also be the reason for not seeeing
any traffic).
Johannes
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