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linux單網卡配置多IP

  1、通過復制一個ifcfg-eth0:1配置文件實現:

  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、臨時方式(重啟後就丟失了):

  ifconfig eth0:1 192.168.0.2 netmask 255.255.255.0 up

  3、腳本方式實現:

  #!/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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