CentOS单网卡绑定多IP

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因为是在内网同一网段，所以只需要更改IPADDR=XXXX就可以了，详情如下：

[root@webserver network-scripts]# pwd
/etc/sysconfig/network-scripts

[root@webserver network-scripts]# cat ifcfg-eth0
# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE]
DEVICE=eth0
BOOTPROTO=static
BROADCAST=172.23.108.255
HWADDR=00:0c:29:76:20:d1
IPADDR=172.23.108.203
NETMASK=255.255.255.128
NETWORK=172.23.108.128
ONBOOT=yes
TYPE=Ethernet
[root@webserver network-scripts]# cp ifcfg-eth0 ifcfg-eth0:1

[root@webserver network-scripts]# vi ifcfg-eth0:1
# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE]
DEVICE=eth0:1
BOOTPROTO=static
BROADCAST=172.23.108.255
HWADDR=00:0c:29:76:20:d1
IPADDR=172.23.108.220
NETMASK=255.255.255.128
NETWORK=172.23.108.128
ONBOOT=yes
TYPE=Ethernet
[root@webserver network-scripts]# service network restart

[root@webserver network-scripts]# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:0C:29:76:20:D1
inet addr:172.23.108.203 Bcast:172.23.108.255 Mask:255.255.255.128
inet6 addr: fe80::20c:29ff:fe76:20d1/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:15438968 errors:3 dropped:0 overruns:0 frame:0
TX packets:26674391 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1264636401 (1.1 GiB) TX bytes:136198354 (129.8 MiB)
Interrupt:75 Base address:0×2000

[root@webserver network-scripts]# ifconfig eth0:1
eth0:1 Link encap:Ethernet HWaddr 00:0C:29:76:20:D1
inet addr:172.23.108.220 Bcast:172.23.108.255 Mask:255.255.255.128
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:75 Base address:0×2000

[root@webserver network-scripts]#

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