Tutorial Changing MAC Address

[MAC Address] Media Access Control (MAC) address is usually used as the numbering system of unique identity in various peripheral tissues. For example here is the network card or ethernet. At each ethernet MAC Address must have a different address that is unique and distinctive even though the same type on each PC.
Unlike the IP Address, MAC Address has a unique identity and made permanent by the manufacturer. This is used for various purposes client authentication on a server system. However, in some cases could bring problems for users, for example, a user accessing the Internet service in some areas of the Wi-fi hotspots are where the services are using MAC Address authentication process.
Problems will arise if the ethernet card in PC is damaged and then replaced with a new one, it will automatically MAC address will also change. To be able to access re-users of these services should report back on the new MAC address to the service supervisor stew. Very inconvenient is not it?
Now, Have you experienced this?

    You can not do browsing because the MAC address you listed in Blacklist?
    You can not connect to your network because MAC addresses not listed?
    You can not access a site because you have the MAC Address in Squid lists and limited access?
Here is how you can do to change your MAC address:)Changing the MAC Address Ethernet Card In Linux
Actually there is a simple way to solve this problem is by modifying the MAC address so that a new ethernet card that was reported by the operating system as if it has the same MAC address with the old ethernet card. This method is also known as MAC address spoofing can be done easily and quickly on Linux systems.
You do not need to use additional tools, with enough internal command ifconfig, the command is as follows:

We first try with the following command to view MAC Address

     $ Ifconfig-a | grep HWaddr

     eth0 Link encap: Ethernet HWaddr 00:80:48: BA: d1: 20

     Login as root, type the following command to change the MAC Address

     # ifconfig eth0 down

     # ifconfig eth0 hw ether 00:40: fe: e2: ae: 4b

     # ifconfig eth0 up

You could also try the following ways to Ubuntu users:

     $ ifconfig

     $ Cd / etc / init.d

     $ Sudo nano ChangeMAC

     Then change the configuration, content in accordance with the wishes XX
     sudo ifconfig eth1 down
     sudo ifconfig eth1 hw ether xx: xx: xx: xx: xx: xx
     sudo ifconfig eth1 up
     sudo / etc / init.d / networking stop
     sudo / etc / init.d / networking restart

     Save and close the file

     Then run the following command and restart ifconfig:
     $ Sudo chmod + x ChangeMAC

     $ Sudo update-rc.d defaults ChangeMAC

To check the MAC address has changed, run the ifconfig command again.
Replacing Ethernet Card MAC Address In Windows

On windows system some manufacturers change ethernet card provides MAC Address through Windows Device Manager or through a registry access is difficult to remember. But there is a slightly different way and easy to do, namely with a little help tool called SMAC. that the illustrations can be seen in the picture below.

 

If you intend to change the MAC address address please download toolnya on the download link below:

Download: Tool MAC Address Ethernet Car