Now write a UDP communication program, but found that under the same network router, the sending of messages via a PC, but not another PC receives the information,
In the same network under different routers, two PC can communicate with each other,

CodePudding user response:

Why is this?

CodePudding user response:

How different router network structure on the same network, IP, respectively is how much, can you ping each other
The same network router's also said that under the same IP, and whether they can ping each other

CodePudding user response:

Two hosts without switches connected? If need a switch

CodePudding user response:

Did the other side of the UDP program is running, the goal of sending port and receive port Numbers are consistent