How does Centos set up the intercommunication of different network segments? The method of Centos setting up the intercommunication of different network segments

The environment is as follows: A 192.168.16.0 Network Section Server A 192.168.1.0 Network Section Server Machines in 192.168.16.0 and 192.168.1.0 segments cannot communicate with each other. The specific operation is as follows: Add routing tables to 192.168.16.177 machines route add -net  192.168.1.0  gw 192.168.16.1 netmask 255.255.255.0