packets to local addresses

MKS rekordmeister at gmail.com
Sat Apr 7 16:13:49 CEST 2007


On 4/6/07, Martijn Lievaart <m at rtij.nl> wrote:
> MKS wrote:
> > Hello list
> >
> > I have a scenario the a computer has 2 PPP connections, where the
> > computer is the ppp client.
> >
> > $ifconfig
> >
> > ppp0   inet  10.0.0.1 p-t-p  192.168.1.1 mask 255.255.255.255
> >
> > ppp1 inet  10.0.1.1 p-t-p 192.168.1.1 mask  255.255.255.255
> >
> > for testing purpuses I want packets from ppp0 to ppp1 to actually go
> > over the physical connection
> >
> > e.g.
> >
> > ping  10.0.0.1 -I ppp1 should send the packet over the ppp1 (and out
> > underlyging physical interface eth0) and it should arrive on the ppp0
> > interface. (routing is taken care of at the ppp server)
>
> The -I flag only changes the source address of the packets, not the
> routing. And as the packet is destined for the machine itself, it goes
> over the loopback interface.

What is the best way to change this behaviour, that is force "general"
packets out a specific interface. iptables route target???

Thanks
MKS



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