Nothing... just configure each interface, and add packet filters (for straight routing, an any-any-any rule would suffice). You can add static routes, etc. to direct traffic at other gateways as needed. If you are connecting to the internet, you will need to use some form of NAT though.
Nothing... just configure each interface, and add packet filters (for straight routing, an any-any-any rule would suffice). You can add static routes, etc. to direct traffic at other gateways as needed. If you are connecting to the internet, you will need to use some form of NAT though.