一张物理网卡添加多个IP
添加：
ifconfig eth0:1 192.12.1.223 netmask 255.255.255.0 up
删除：
ifconfig eth0:1 192.12.1.223 netmask 255.255.255.0 down
?
?
添加完成以后会多一个eth0:1出来输入ifconfig
?
eth0????? Link encap:以太网? 硬件地址 00:15:c5:6e:61:c3?
????????? inet 地址:192.168.1.240? 广播:192.168.1.255? 掩码:255.255.255.0
????????? inet6 地址: fe80::215:c5ff:fe6e:61c3/64 Scope:Link????????????
????????? UP BROADCAST RUNNING MULTICAST? MTU:1500? 跃点数:1????????????
????????? 接收数据包:94064 错误:0 丢弃:0 过载:0 帧数:0??????????????????
????????? 发送数据包:36931 错误:0 丢弃:0 过载:0 载波:0??????????????????
????????? 碰撞:0 发送队列长度:1000??????????????????????????????????????
????????? 接收字节:38863104 (38.8 MB)? 发送字节:6337953 (6.3 MB)????????
????????? 中断:17???????????????????????????????????????????????????????
eth0:1??? Link encap:以太网? 硬件地址 00:15:c5:6e:61:c3?
????????? inet 地址:192.12.1.223? 广播:192.12.1.255? 掩码:255.255.255.0
????????? UP BROADCAST RUNNING MULTICAST? MTU:1500? 跃点数:1??????????
????????? 中断:17
