On T 7 Apr, 2009, at 10:37 , Zöld wrote:
Hi all!
I think my problem is solved. As I mentioned earlier the ipfw fwd
hasn't got
any effect (under FreeBSD 7.1), but pf (packet filter) can forward
among the
interfaces too.
Here are the commands:
kldload pf
/etc/pf.conf:
pass out quick route-to (interface1_name gateway1_address) from
interface1_address to any
pass out quick route-to (interface2_name gateway2_address) from
interface2_address to any
pf -e -f /etc/pf.conf
Now the packets leave the computer over the proper interface
independent of
the default gateway.
very good! unfortunately pf hasn't been ported to the macosx kernel
yet...
Just a warning, on MacOS X I had kernel panics, when reloading rules,
in some place inherited from BSD (netinet/ip_fw2.c) and I think they
were triggered by a fwd to the default gateway. In other words, if a
packet does not need to be re-routed (that is it should go to the
default gateway), do not use a fwd, make it an allow rule instead
(don't know what this is called in pf... pass) as this will have the
same net effect. I might be completely wrong about this panic and
might not apply to FreeBSD or pf, of course, but still I see no point
in routing explicitly what will be routed correctly anyway.
Giuliano_______________________________________________
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