Can you tell me whether 255.255.255.255 for a valid subnet mask? Please explain with examples to explain,

CodePudding user response:

Mask to differentiate the IP address range, is the purpose of the functions of 32-bit mask said an IP address, network equipment, set up safety rules, only allow or deny a specific IP, the rules of the mask is set to 32 bits, such as rule 0 permit IP 192.168.1.100 255.255.255.255, it is legal subnet mask, there is no problem,