给网卡上添加两个ip别名的操作技巧
如下:eth0 Link encap:Ethernet HWaddr 00:0C:29:45:6C:54
inet addr:192.168.1.50 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe45:6c54/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:43 errors:0 dropped:0 overruns:0 frame:0
TX packets:67 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:5183 (5.0 KiB) TX bytes:8899 (8.6 KiB)
Interrupt:19 Base address:0x2000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 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:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
在eth0网卡上添加两个192.168.1.51和192.168.1.52,通过ifconfig和route命令来进行:
/sbin/ifconfig eth0:1 192.168.1.51 broadcast 192.168.1.255 netmask 255.255.255.0 up
/sbin/route add -host 192.168.1.51 dev eth0:1
/sbin/ifconfig eth0:2 192.168.1.52 broadcast 192.168.1.255 netmask 255.255.255.0 up
/sbin/route add -host 192.168.1.52 dev eth0:2
通过ifconfig命令来查看,如下
eth0 Link encap:Ethernet HWaddr 00:0C:29:45:6C:54
inet addr:192.168.1.50 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe45:6c54/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:703 errors:0 dropped:0 overruns:0 frame:0
TX packets:467 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:62220 (60.7 KiB) TX bytes:50786 (49.5 KiB)
Interrupt:19 Base address:0x2000
eth0:1 Link encap:Ethernet HWaddr 00:0C:29:45:6C:54
inet addr:192.168.1.51 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:19 Base address:0x2000
eth0:2 Link encap:Ethernet HWaddr 00:0C:29:45:6C:54
inet addr:192.168.1.52 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:19 Base address:0x2000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 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:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
通过ifconfig和route命令配置ip别名在服务器重启会消失,将上面的配置添加到/etc/rc.local 文件中,让系统开机时自动运行即可。
vi /etc/rc.local
将上面的命令添加到末尾并保存。
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