Hi Guy,
In config.h file:
/* define if you have the DAG API */
#define HAVE_DAG_API 1
so I think it is set.
The output of ldd on tcpdump is:
$ ldd tcpdump
tcpdump:
libcrypto.so.3 => /lib/libcrypto.so.3 (0x2810d000)
libc.so.5 => /lib/libc.so.5 (0x28204000)
I don't know if or not libpcap should show up here. But I did notice the
output of ./configure when I compiled tcpdump before, it outputs "checking
for local pcap library... ./../libpcap-0.9.8/libpcap.a". That's exactly the
dag-enabled libpcap I installed.
Lei
On 1/9/08, Guy Harris <[EMAIL PROTECTED]> wrote:
>
>
> On Jan 9, 2008, at 2:04 PM, lei wei wrote:
>
> > I'm trying to get tcpdump work with DAG interface. I installed the
> > dag-enabled libpcap0.9.8 and tcpdump3.9.8 on a FreeBSD5.4 system.
> > When I
> > typed "tcpdump -i dag0", it gives me the error "tcpdump: BIOCSETIF:
> > dag0:
> > Device not configured". Could anyone give me any hint on what the
> > problem
> > is?
>
> The problem is that the libpcap being used by tcpdump isn't DAG-
> enabled for some reason; it's trying to attach to adapter "dag0" using
> BPF, not using the DAG code.
>
> Is HAVE_DAG_API set in config.h in the source directory for the
> libpcap you built? If so, what does "ldd" print when you run it on
> the tcpdump you built?
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--
Wei, Lei
Department of Computer Science
University of North Carolina at Chapel Hill,
NC 27599-3175
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