Then click OK to save changes and then double-check you’re using the new MAC address via the Details button on the Network Connection Status window or type ipconfig /all into a Command Prompt. Moreover, the client is not the only person who can spoof their MAC address to gain access to the ISP. If in Windows 7, you must use one of the following formats: While this is generally a legitimate case, MAC spoofing of new devices can be considered illegal if the ISPs user agreement prevents the user from connecting more than one device to their service.

Choose the Network Address or Locally Administered Address Property, select the Value radio button, and then enter the new MAC address.On the Network Adapter Properties window, select the Advanced tab.The word spoofing does have a negative connotation after all, it makes it sound like you’re trying. On the Network Connection Properties window, click the Configure button. Changing your MAC address, especially when doing it frequently, is called spoofing.On the Network Connection Status window, click the Properties button.Open the Network Connections window and double-click the desired network adapter.Updated : For Mac OS X Lion, the Airport interface is now called Wi-Fi and thus the command to spoof a MAC address in OS X 10.7, OS X 10.8 Mountain Lion, and OS X Mavericks, is: sudo ifconfig en0 Wi-Fi aa:bb:cc:dd:ee:ff. However, remember it is very easy for even average users to spoof or change their network adapter’s MAC address in Windows here’s how: Once disassociated from the network you should be able to spoof your MAC address as usual. MAC address filtering is used in some networks to help control which computers or devices end-users can connect to the network.

Spoofing a new mac address on a mac