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Forum Discussion

ni_67218's avatar
ni_67218
Icon for Nimbostratus rankNimbostratus
Nov 10, 2012

floating IP and self IP

when I create a floating ip, I get the information "Self IP 3.3.3.3 is declared as a floating address but there is no non-floating address defined for this network"?   why is the system give me t...
config
design
Amnard's avatar
Amnard
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Nov 12, 2012

A physical IP address is unique to an interface on a hardware device on your network.

 

When you have multiple hardware devices in the same HA group, the logical IP address typically points to the active hardware device's physical IP address. When you have an HA failover, it will point to the new active device.

 

Under F5, floating interface carries an additional meaning. It's used for communicating with the back-end servers. Therefore, it is NOT needed on the subnet that the VS are on unless you have back-end servers on the same subnet.