Configure Vlan to communicate with each other
The first step is to start all the devices, and then configure all the information.
The second step is to configure commands in the DeviceA and DeviceB switches. Note: the configuration command is the same
The third step is to verify the configuration in DeviceA.
The fourth step is to realize that hosts in the same VLAN can communicate with each other. HOST_A verifies the IP address of HOST_C; HOST_B verifies the IP address of HOST_D.
