odd tcpdump output w/ 6.0-BETA2 ...

Matthew Grooms mgrooms at shrew.net
Tue Aug 23 19:10:04 GMT 2005


Pieter de Boer wrote:
> Matthew Grooms wrote:
> 
> 
>>Is anyone else seeing this issue? I get useless output from tcpdump ( no
>>header or protocol decode ) but only when I specify a filter on the
>>command line.
> 
> 
>>listening on xl0, link-type EN10MB (Ethernet), capture size 96 bytes
>>11:33:32.920031 [|ether]
>>11:33:35.203998 [|ether]
> 
> 
> I've seen this too and heard from someone else with the same problem.
> Both 6.0-BETA2 systems. I upgraded mine to a newer version of 6.0-BETA2,
> using cvsup, but can't remember nor test (at least during this week) if
> that fixed the problem.
> 
> Both tcpdump and libpcap are in contrib/, but ENOCLUE if only those
> sources (together with the kernel-sources and the makefiles) would be
> enough to build a new tcpdump...
> 

Did you make modifications or are were you running GENERIC? The only 
modifications I made to my kernel were to disable IPV6 and to enable pf, 
pflog, ALTQ and FAST_IPSEC.

Could someone with a stock BETA2 kernel try a tcpdump with a simple 
filter and see if it they get normal output?

-Matthew


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