Assign a fix MAC address to a vmware network interface

MAC addresses are assigned at the bootup of a virtual machine. But there is a way to assign a fix hardware address to a vmware network interface by editing the virtual machine with Vi.

Simply connect with SSH to your ESXi and go to /vnfs/datastore1 or anywhere you put your vm.

If your virtual machine is called vm1, go to /vmfs/datastore1/vm1

Open the file vm1.vmx using Vi.

Around the end of the file there will be the configuration of the network interfaces.

You should see things like: