I have 6 networks, I need to connect network 1 and network 5 via five routers. Whats the command to set multiply hops? ip route add IP_address/mask via IP_adrress dev eth0, but how do I set next hop? ip route add IP_address/mask via IP_adrress via IP_address dev eth0? 
Routing table and multiply hops
linux;networking;routing;table;gateway