networking - What is a subnet mask, and the difference between a subnet mask of 255.255.255.0 and 25
My DSL/WiFi router provided by my ISP has an internal IP address of 10.0.0.138, the addresses provided by DHCP are in the format of 10.0.0.xxx. Now, I want to start using static IP addresses on my... ... The zero in the subnet mask will correspond to the ...