In computer networking a Media Access Control address (MAC address) or Ethernet Hardware Address (EHA) or hardware address or adapter address is a quasi-unique identifier attached to most network adapters (NIC or Network Interface Card). It is a number that serves as an identifier for a particular network adapter. Thus network cards (or built-in network adapters) in two different computers will have different MAC addresses, as would an Ethernet adapter and a wireless adapter in the same co

其实更改网卡MAC地址的功能不论98、2000还是XP，都已经提供了，只是平时大家都没有注意到而已。下面我就说说怎么更改。很简单哦。。。
　　好了，现在先来看看WIN2000。在桌面上网上邻居图标上点右键，选"属性"，在出来的"网络和拨号连接"窗口中一般有两个图标，一个是"新建连接"图标，一个是"我的连接"图标。如果你的机器上有两个网卡的话，那就有三个图标了。如果你只有一个网卡，那就在"我的连接"图标上点右键，选"属性"，会出来一个