How to Know a Mac Address for a Node Knowing Its Ip on Local Network? [Duplicate]

Question

Is there a way to ping an IP , and know the PC mac address of this IP ?

For exapmle in my network there is a printer which has the ip 192.168.1.99 (dynamic) , i need to

its mac address to give it a reservation in dhcp .

Accepted Answer

If the client is in your local network:

Answer 2

To do this I first ping the IP. In this example I will use the IP 10.1.1.1:

ping -c 1 10.1.1.1

Then get the MAC address from the ARP cache:

arp -a 10.1.1.1 | awk '{print $4}'

The output should be the Mac Address

2 Answers