In order to connect personal laptops to the local network, you have to ask the permission to the System Administrator and must provide:
The System Administrator will assign to your computer an IP address that you can use when you are connected to the local network by a network cable. The IP Address is assigned by using the DHCP protocol, so you have to configure the network card of your laptop this way. When you leave, please inform the System Administrator, so hi can reassign the IP Address you are using.
If you don't know howto find the MAC Address follow these guidelines:
Ethernet ID: 00:17:F2:26:6D:78
/sbin/ip linkcommand try with the command