3 Ways to Find MAC Address In Linux

Updated: Feb 7

How to list MAC address on Linux is a commonly asked question during a Linux job interview. Here are 3 methods to get the MAC address. These commands are safe to run without changing anything.


Find MAC address on Linux with ifconfig

# ifconfig -a

ens1f0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 10.124.202.230 netmask 255.255.255.128 broadcast 10.124.202.255

ether 70:ca:9b:ce:67:ae txqueuelen 1000 (Ethernet)

RX packets 12187970 bytes 7390885300 (6.8 GiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 16813496 bytes 16253942714 (15.1 GiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

device memory 0xb1960000-b197ffff


Get MAC addres with ip link show

# ip link show

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

2: ens1f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000

link/ether 70:ca:9b:ce:67:ae brd ff:ff:ff:ff:ff:ff


Find MAC address from /sys

# more /sys/class/net/ens1f0/address

70:ca:9b:ce:67:ae

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