all is well now. your advice rules.

thank you!


On Sat, 1 Feb 2003, Giorgos Keramidas wrote:

>On 2003-01-31 16:44, "Stephen D. Kingrea" <[EMAIL PROTECTED]> wrote:
>> using 4.7 on a gateway designated machine (ipfw/natd) serving 3
>> wstations.
>> www#tcpdump -i dc0   ###in fact, any interface....
>> tcpdump: (no devices found) /dev/bpf0: Device not configured
>Check that you have the following in your kernel config:
>       $ grep -i bpf /usr/src/sys/i386/conf/GENERIC
>       # The `bpf' device enables the Berkeley Packet Filter.
>       device          bpf             # Berkeley packet filter
>       $
>Then make sure you have proper device nodes created in /dev by
>running (further down in your post you mentioned that you *do* have a
>/dev/bpf0 node, so this part is already done on your setup).
>       # cd /dev
>       # sh MAKEDEV bpf0 bpf1 [...]
>> now, i read somewhere that kernel must be compiled with option
>> PACKETFILTER, however; workstation running 4.7 with generic kernel
>> runs tcpdump perfectly.
>There is no PACKETFILTER kernel option afaik.  When you want to know
>what options are available and how to enable them for your kernel you
>should consult the files GENERIC and LINT in /usr/src/sys/i386/conf.
>- Giorgos

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