Linux中进行802.1认证mdc-ssd-01.1.2-1.i386.rpm.gz

tun驱动程序实现了虚拟网卡的功能，利用tun驱动可以实现linux 下虚拟网卡的创建与管理。-tun/tap driver implements a virtual NIC functionality, tun represents a virtual point to point device, tap represents a virtual Ethernet devices, both devices for network packet implement different pack