Forum Discussion

Daniel_Beckham_'s avatar
Daniel_Beckham_
Icon for Nimbostratus rankNimbostratus
Oct 20, 2015

Can IP addresses assigned to loopback interfaces in a LineRate CARP fail over configuration be on the same subnet as the public interface?

Can IP addresses assigned to loopback interfaces in a LineRate CARP fail over configuration be on the same subnet as the public interface?   e.g. If the router is 1.1.1.1, and the CARP IP on em1 (...
deployment
linerate
Madhu_Rajagopal's avatar
Madhu_Rajagopal
Icon for Employee rankEmployee
Oct 20, 2015

Hi Daniel, We have confirmed that having a /32 IP on the loopback interface that is on the same subnet does work. One thing to make sure is to configure the loopback interface before you admin-online the VIP. Otherwise ARP is disable and you may need to restart the instances.