Address 

A virtual IP address that is different from the base IP address, and that is associated with the interface. 

Type and dimension: string-scalar 

Example: 192.203.47.61 

Example: "192.203.47.61" 

Device 

The name of the NIC device that is associated with the IP address. Requires the device name without an alias. 

Type and dimension: string-scalar 

Example: en0 

Example: "en0" 

NetMask 

The subnet mask that is associated with the IP address.  

Example: 255.255.255.0 

Example: "255.255.255.0" 

Options 

Options for the ifconfig command. 

Type and dimension: string-scalar 

Example: mtu 1500"metric 4 mtu 1400" 

RouteOptions 

String to add a route when configuring an interface. 

The string contains the destination gateway metric. No routes are added if the value of this string is null. 

Type and dimension: string-scalar 

Example: 192.100.201.0 192.100.13.7 

Example: "192.100.201.0 192.100.13.7"