工具默认会更改本地物理网卡的防火墙入站出站规则,以及数据包转发机制
> make
启动网卡
> sudo ./up
> ifconfig
tap Link encap:Ethernet HWaddr 3e:80:55:c6:48:10
inet addr:192.168.1.1 Bcast:0.0.0.0 Mask:255.255.255.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
关闭网卡
> sudo ./down