Date: Tue, 13 Feb 2001 09:01:21 -0800 From: Julian Elischer <julian@elischer.org> To: mbytnar@auvo.com Cc: freebsd-net@FreeBSD.ORG Subject: Re: ipfw command "in xmit <iface>" and "out recv <iface>" invalid? Message-ID: <3A896861.94465630@elischer.org> References: <3A895E3D.439DCCF3@auvo.com>
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Mike Bytnar wrote:
>
> Is this a bug or have I misunderstood?
> Why is it possible to say "out recv <iface>"? Or for that matter, "in
> xmit <iface>"?
>
> bridge# ipfw add 500 pipe 2 ip from any to any out recv xl1
> 00500 pipe 5 ip from any to any out recv xl1
if the filter is called from ip_output()
and the packet was received on xl1
(then we must be routing it)
> bridge# ipfw add 600 pipe 3 ip from any to any in xmit xl1
> [ipfw usage displayed]
if we were called from ip_input()
then we have not yet decided if it will be retransmitted from an interface,
let alone which one.. so this makes no sense.
>
> (Using 4.2-STABLE from a week ago.)
>
> Thanks,
> --Mike
>
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