Script to list all the MAC addresses on the system

Listing the mac addresses of nic cards excluding null or loopback MACs i.e. 00:00:00:00:00:00

grep -H . /sys/class/net/*/address | awk ‘{split($0,array,”address:”);print array[2]}’ | grep -v ’00:00:00:00:00:00′

 

 

 

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