ifdata - Man Page

• [p]rint 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
• [p]rint the IPv4 [a]ddress and the [n]etmask of the specified interface: ifdata -pa -pn eth0
• [p]rint the [N]etwork address, the [b]roadcast address, and the [m]TU of the specified interface: ifdata -pN -pb -pm eth0
• Display help: ifdata

tldr.sh

ifdata [options] {iface}

ifdata can be used to check for the existence of a network interface, or to get information about the interface, such as its IP address​. Unlike ifconfig or ip, ifdata has simple to parse output that is designed to be easily used by a shell script​.

-h

Print out a help summary​.

-e

Test to see if the interface exists, exit nonzero if it does not​.

-p

Prints out the whole configuration of the interface​.

-pe

Prints "yes" or "no" if the interface exists or not​.

-pa

Prints the IPv4 address of the interface​.

-pn

Prints the netmask of the interface​.

-pN

Prints the network address of the interface​.

-pb

Prints the broadcast address of the interface​.

-pm

Prints the MTU of the interface​.

Following options are Linux only​.

-ph

Prints the hardware address of the interface​. Exit with a failure exit code if there is not hardware address for the given network interface​.

-pf

Prints the flags of the interface​.

-si

Prints out all the input statistics of the interface​.

-sip

Prints the number of input packets​.

-sib

Prints the number of input bytes​.

-sie

Prints the number of input errors​.

-sid

Prints the number of dropped input packets​.

-sif

Prints the number of input fifo overruns​.

-sic

Print the number of compressed input packets​.

-sim

Prints the number of input multicast packets​.

-so

Prints out all the output statistics of the interface​.

-sop

Prints the number of output packets​.

-sob

Prints the number of output bytes​.

-soe

Prints the number of output errors​.

-sod

Prints the number of dropped output packets​.

-sof

Prints the number of output fifo overruns​.

-sox

Print the number of output collisions​.

-soc

Prints the number of output carrier losses​.

-som

Prints the number of output multicast packets​.

-bips

Prints the number of bytes of incoming traffic measured in one second​.

-bops

Prints the number of bytes of outgoing traffic measured in one second​.

Benjamin BAYART