linux 单网卡绑定两个ip

#vi /etc/network/interfaces
OR
$ sudo vi /etc/network/interfaces
Modify as follows:

 1 auto eth0
 2 auto eth0:0
 3 auto eth0:1
 4 iface eth0 inet static
 5 address 192.168.1.1
 6 netmask 255.255.255.248
 7 gateway 192.168.1.254
 8
 9 iface eth0:0 inet static
10 address 192.168.1.2
11 netmask 255.255.255.248
12
13 iface eth0:1 inet static
14 address 192.168.1.3
15 netmask 255.255.255.248
16
17 # add rest of alias / binds below

Save and close the file.

Now restart networking, enter:
# /etc/init.d/networking restart
OR
$ sudo /etc/init.d/networking restart