Linux single network card configuration multiple IP

1, by copying an ifcfg-eth0:1 configuration file to achieve: cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth0:1 Vi /etc/sysconfig/network-scripts/ifcfg-eth0:1 # Intel Corporation 82566DC Gigabit Network Connection DEVICE=eth0 BOOTPROTO=none BROADCAST=218.95.37.255 HWADDR=00:19:d1:34:2d:b8 IPADDR=218.95. 37.250 NETMASK=255.255.255.192 NETWORK=218.95.37.192 ONBOOT=yes GATEWAY=218.95.37.193 TYPE=Ethernet ifconfig eht0:1 up 2. Temporary mode (lost after reboot): ifconfig eth0:1 192.168.0.2 netmask 255.255.255.0 Up 3, script mode implementation: #!/bin/sh eth01=/etc/sysconfig/network-scripts/ifcfg-eth0:1 touch $eth01 echo DEVICE=eth0:1”$eth01 echo BOOTPROTO=none”$eth01 echo IPADDR =192.168.40.76"$eth01 echo NETMASK=255.255.255.0"$eth01 echo ONBOOT =yes"$eth01 /etc/init.d/network restart
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