Subnet Mask
IP address subnet mask of TCP/IP network device. Each range is 0-255.

Subnet is used in dividing IP address into network address and mainframe address. If user does not know how to setup, please connect with network manager.

displayWhy are there "*" behind property and property is bold type font?
displayWhy is the saved button still forbidden after property changed?
displayWhy property is forbidden or hidden?
displayWhy property value displays multiple value and can not be displayed?