The Budget Traveller's Guide to Sleeping in Airports:  www.sleepinginairports.net  "For travellers who are REALLY on a budget and are looking for a way to skim a few bucks off their travel e [ ... ]

Step 1. shutdown the interface (e.g. eth0)

# ifconfig eth0 down



Step 2: change the mac address to e.g. 11:22:33:44:55:66

# ifconfig eth0 hw ether 11:22:33:44:55:66



Step 3. restart the interface

# ifconfi [ ... ]