c.2 run vnet (virtual hub) driver module (not very compatible with other linux distributions, except redhat9):
get vnet source
build vnet.o
make device file
#mknod /dev/net/vnet c 10 201
#chmod 666 /dev/net/vnet
#insmod vnet.o
这一步是什么东西,是不是要安装虚拟网卡?是不是还要另外的源码???