sudo arp -s 10.0.0.2 00:0c:29:c0:94:bf

This commands tells local ARP table that the host with IP address 10.0.0.2 has MAC address 00:0c:29:c0:94:bf. Once you have configured a static ARP entry, you can verify that.

via How to add or remove a static ARP entry on Linux – Linux FAQ.