On Tue, Aug 4, 2009 at 12:30 PM, Brett Serkez<bserkez at gmail.com> wrote: <snip> > # Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet > DEVICE=eth1 > BOOTPROTO=none > HWADDR=00:40:F4:CE:E6:7B > > So now I know what the original MAC address was. Is it possible for the MAC address to be changed physically on the NIC? I doubt that. In SW, you can have an alternate MAC address, but I doubt that it can be changed on the NIC. That's burned into the NIC at the factory.