Linux 下如何增加一個可修改&…

修改現有網卡的 HWaddr：
http://www.aboutlinux.info/2005/09/how-to-change-mac-address-of-your.html

~$ /sbin/ifconfig eth0 | grep W
eth0 Link encap:Ethernet HWaddr 70:71:bc:64:2e:c5 
~$ sudo /sbin/ifconfig eth0 hw ether 70:71:bc:64:2e:c6
[sudo] password for ryan: 
~$ /sbin/ifconfig eth0 | grep HW
eth0 Link encap:Ethernet HWaddr 70:71:bc:64:2e:c6

增加新虛擬網卡：

$ sudo /sbin/ip link add veth-test-host type veth peer name veth-test-virt
$ /sbin/ifconfig veth-test-host | grep HW
veth-test-host Link encap:Ethernet HWaddr b6:ac:f6:0b:02:6e 
$ sudo /sbin/ifconfig veth-test-host hw ether bc:ac:f6:0b:02:6f
$ /sbin/ifconfig veth-test-host | grep HW
veth-test-host Link encap:Ethernet HWaddr bc:ac:f6:0b:02:6f

轉自：http://www.zhihu.com/question/20206955