linux 单网卡多ip设置
添加eth0:1 192.168.1.117
ifconfig eth0:1 192.168.1.117 broadcast 192.168.1.225 netmask 255.255.255.0 up
route add -host 192.168.1.117 dev eth0:1
添加eth0:2 192.168.1.118
ifconfig eth0:2 192.168.1.118 broadcast 192.168.1.225 netmask 255.255.255.0 up
route add -host 192.168.1.118 dev eth0:2