Created
February 8, 2019 15:06
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Add Virtual IP address to a loopback interface in Ubuntu and CentOS/Redhat
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# /etc/sysconfig/ifcfg-lo | |
DEVICE=lo | |
# localhost | |
IPADDR0=127.0.0.1 | |
NETMASK0=255.0.0.0 | |
NETWORK0=127.0.0.0 | |
BROADCAST0=127.255.255.255 | |
# virtual ip | |
IPADDR1=<VIRTUAL IP ADDRESS> | |
NETMASK1=255.255.255.255 | |
ONBOOT=yes | |
NAME=loopback |
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# /etc/networks/interaces | |
auto lo | |
iface lo inet loopback | |
up ip addr add dev lo <VIRTUAL IP ADDRESS>/32 |
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