# ifdata > Display information about a network interface. > More information: . - Display the whole configuration of the specified interface: `ifdata -p {{eth0}}` - Indicate the [e]xistence of the specified interface via the exit code: `ifdata -e {{eth0}}` - Display the IPv4 [a]dress and the [n]etmask of the specified interface: `ifdata -pa -pn {{eth0}}` - Display the [N]etwork adress, the [b]roadcast adress, and the MTU of the specified interface: `ifdata -pN -pb -pm {{eth0}}` - Display help: `ifdata`