What is an Addresspair and How it configure in Openstack HA Instances

Address Pair Allowed-address-pairs allow you to specify mac_address/ip_address (CIDR) pairs that pass through a port regardless of subnet. This enables the use of protocols such as VRRP, which floats an IP address between two instances to enable fast data plane failover. Use Case. Consider, you are building a HA cluster for your App / DB…