I have seen vpn diagram like


Here and are real ip.

i need internet to test my vpn connection .

I want to simulte that in my home connection .


can anyone tell me how do i need to setup .
What ip i need to give on those eth1 interface ?
Without giving same series ip like
and /24 on eth1 i can not connect 2 pcs ..
Who to design the test network with ips (we have 4 pc) for vpn ?

Please help me.