<td>The IPv4 netmask of this interface. A <b>[[What is a Netmask?|netmask]]</b> is used to define how "large" a network is by specifying which part of the IP address denotes the network and which part denotes a device.</td> | <td>The IPv4 netmask of this interface. A <b>[[What is a Netmask?|netmask]]</b> is used to define how "large" a network is by specifying which part of the IP address denotes the network and which part denotes a device.</td> |