Request: how do packet routing based on input gateway

From: Luca Dionisi
Date: Sat Oct 24 2009 - 09:29:08 EST


Hi all

I must instruct my server to route packets based on destination prefix
and on the gateway from which the packet arrived.
E.g.
I am 192.168.0.1
a packet for 192.168.1.0/24 which arrived from gateway 192.168.0.2
must go through 192.168.1.1 dev eth0
a packet for 192.168.1.0/24 which arrived from gateway 192.168.0.3
must go through 192.168.1.2 dev eth1
a packet for 192.168.1.0/24 which arrived from any other gateway must
go through 192.168.1.3 dev eth2

The gateway I mean is just the last hop traversed, before me. It's not
necessarily the source of the packet.

How am I supposed to do that?

Regards.
Luca Dionisi
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