LARTC - Jul 2001 - Is this possible?

Hi all,

I have a Linux box with 04 ethernet cards. I intend use this configuration:

                    Cisco router 01 : 192.168.0.1 mask 255.255.255.0

      Linux box:

eth0 192.168.0.2 mask 255.255.255.0 connected into cisco router 01
eth1 192.168.0.9 mask 255.255.255.240 connected into hub
eth2 192.168.0.25 mask 255.255.255.252 connected another cisco router 02 for
Telco''s Frame Relay network
eth3  192.168.0.65 mask 255.255.255.192 connected into wireless AP BreezeCom

in Linux Box default Gateway is 192.168.0.1

How I configure the linux box to use eth0 as gateway for requests from eth1
to cisco router01,  eth2 and eth3
eth 2 to cisco router01, eth1 and eth3
eth 1 to cisco router01, eth2 and eth3

I am using redhat 6.1

Thanks.

Gilberto Braz