If the sending end station determines that the destination address is not local, the packet goes to a first-hop router, typically one that is close and has been preassigned to the sender.

• 假如发送端站确定目的地址不在本地，该包就被送到第一跳路由器，一般来说，该路由器是在四周的，并已被预先分配给发送者。