服务器需要南北双通,现在的服务器配置的是一个网卡一个ip:
vi /etc/sysconfig/network-scripts/ifcfg-em1
配置如下:
DEVICE="em1" BOOTPROTO="static" HWADDR="A4:BA:DB:2C:24:F6" NM_CONTROLLED="yes" ONBOOT="yes" TYPE="Ethernet" UUID="68617a89-dcb0-4340-9bbc-4d2372cdbcd4" IPADDR=211.154.154.99 NETMASK=255.255.255.192 GATEWAY=211.154.154.65 DNS1=58.60.188.178 DNS2=58.60.188.179
现在需要在该网卡上多配置一个IP,配置如下:
cp /etc/sysconfig/network-scripts/ifcfg-em1 /etc/sysconfig/network-scripts/ifcfg-em1:0
修改配置如下:
DEVICE="em1:0" BOOTPROTO="static" HWADDR="A4:BA:DB:2C:24:F6" NM_CONTROLLED="yes" ONBOOT="yes" TYPE="Ethernet" UUID="68617a89-dcb0-4340-9bbc-4d2372cdbcd4" IPADDR=220.112.31.99 NETMASK=255.255.255.192 GATEWAY=211.154.154.65 DNS1=58.60.188.178 DNS2=58.60.188.179
注意:DEVICE/IPADDR是需要配置的地方,HWADDR说明是同一块网卡