Configure a failover IP with Ubuntu
Configure a failover IP with Ubuntu
Configure a failover IP with Ubuntu
You may need to configure a failover IP address on your instances, for one of the following reasons:
In order to do this you can either buy or import a failover IP address for your Public Cloud instances.
However failover IPs will not be automatically configured on your instance.
This guide explains how to configure your instance's network interface so that a failover IP can be allocated to it.
vi /etc/network/interfaces
auto ethX:Y
iface ethX:Y inet static
address xxx.xxx.xxx.xxx
netmask 255.255.255.255
broadcast xxx.xxx.xxx.xxx
|# Variables|#Values| |X|main interface number (usually eth0 )| |xxx.xxx.xxx.xxx|failover IP to configure| |Y|the number of the alias (starting at 0 and then 1 etc. depending on the number of IPs there are to configure)|
If you have many IPs to allocate, they must be added on the same line: by increasing the value of Y (the alias number)
service networking restart
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