1, the router: able to forward packets to the correct destination, and choose the best device during forwarding
2, the routing table: set the route entry routers maintain routing path selection which is made in accordance with the routing table
3, static routing features: There is a one-way manually configured, the lack of flexibility
4, the router forwards the packet encapsulation process, the process when a packet is forwarded through different devices in which the packet source and destination IP addresses does not occur, and the packet source and destination mac vary with different devices occurs .
5, set the static routing
ip route network mask address