IP Routing Question

Goran Gajic ggajic at afrodita.rcub.bg.ac.yu
Tue Feb 14 06:44:29 PST 2006


You can try using ipf filter to impose source-policy routing:

cat > ipf.example
pass in quick on em1 to em1: from to  a.b.c.d/32
ipf -f ipf.example

This way you will re-route all packets coming from source 10.1/16 to 
destination a.b.c.d to go to address not to a.b.c.d
Note that you have to rebuild your kernel in order to have options 
IPFILTER enabled.


>I'm trying to set up the routing table to force requests to certain IP 
>addresses to use a particular ethernet card. I've used the route command 
>in a number of
>ways, but still can't come up with how to force to use em1 instead of 
>with the right gateway.

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