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Set dual IP addresses for a single NIC in Centos

Source: Internet
Author: User
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1. configure the first IP address in Linux: [root @ Linuxroot] # cd/etc/sysconfig/network-scripts [root @ Linuxnetwork-scripts] # viifcfg-eth0DEVICE = eth0BOOTPROTO = static

1. configure the first IP address in Linux:


[Root @ Linux root] # cd/etc/sysconfig/network-scripts


[Root @ Linux network-scripts] # vi ifcfg-eth0


DEVICE = eth0


BOOTPROTO = static


BROADCAST = 192.168.80.255 // * BROADCAST address *//


IPADDR = 192.168.80.189 // * The first IP address *//


NETMASK = 255.255.255.0 // * network mask *//


NETWORK = 192.168.80.0 // * NETWORK segment *//


ONBOOT = yes


: Wq // * save and exit *//


2. copy the first IP address configuration file to the second IP address configuration file and modify the IP address:


[Root @ Linux network-scripts] # cp ifcfg-eth0 ifcfg-eth1


[Root @ Linux network-scripts] # vi ifcfg-eth1


DEVICE = eth0


BOOTPROTO = static


BROADCAST = 192.168.80.255 // * BROADCAST address *//


IPADDR = 192.168.80.199 // * Second IP address *//


NETMASK = 255.255.255.0 // * network mask *//


NETWORK = 192.168.80.0 // * NETWORK segment *//


ONBOOT = yes


: Wq // * save and exit *//

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