ZyXEL Communications NBG-419N User Manual page 120

Chapter 13 LAN
Table 55 Network > LAN > IP Alias
LABEL
IP Subnet Mask
Apply
Reset
120
DESCRIPTION
The subnet mask specifies the network number portion of an IP address. Your
NBG-419N will automatically calculate the subnet mask based on the IP
address that you assign. Unless you are implementing subnetting, use the
subnet mask computed by the NBG-419N.
Click Apply to save your changes back to the NBG-419N.
Click Reset to begin configuring this screen afresh.
NBG-419N User's Guide