> In linux, the packet reception can be done efficiently through the usage of
>ethernet sockets.
>
> In FreeBSD, one of the option is by using the BPF. But, as already commented,
>BPF is not a high performance device.
It sounds like you're saying that BPF is less efficient than Linux
Ethernet sockets. This is somewhat surprising given that one of the
traditional problems with Linux for packet sniffing has been low
performance.
I would recommend you to ask about this on the TCPDUMP list at
[EMAIL PROTECTED]
Steinar Haug, Nethelp consulting, [EMAIL PROTECTED]
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