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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