you can use a netgraph node to filter them
feed the ones you DON'T want back into the
"upper" hook of the ethernet interface.
(I actually have a special node written to do this if I can get a release
from Monzoon networks to release it)
On Tue, 4 Sep 2001, Brahma Naidu Golla wrote:
> Hi,
>
> I would like to capture certain packets (Based on the Protocol type of
> ether header) at the link layer. I dont want the copies of the packets, but
> I want the packets to be received by my user land application and not to be
> processed by the L3 and L4. Could some body give me some pointers on this?
>
> One possibility is to use Raw sockets at the link layer. But how do I
> specify the protocol type of ether header to filter the packets?
>
> TIA
> --gb
>
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