You can ensure that the traffic management function is always available by configuring two or more BIG-IP® systems in a high availability (HA) configuration. Any configuration change that occurs on one BIG-IP system is immediately synchronized with its peer devices. If one BIG-IP® system in an HA configuration fails, a peer BIG-IP system takes over the traffic management.
The BIG-IP HA cluster that you create with this process is a single failover group that uses the default traffic group and automatic sync. For a complete discussion of the significance of these details, refer to the BIG-IP® Device Service Clustering: Administration guide, which is available on http://support.f5.com/kb/en-us.html.
The BIG-IQ device facilitates the integration between Cisco APIC and the HA cluster. The work flow for configuring this integration takes you back and forth between the two participants in this integration.
Configuring BIG-IQ® Cloud as part of a high availability (HA) cluster ensures that you do not lose management capability of the BIG-IP® devices in your network because one BIG-IQ Cloud system fails.
If you have a primary BIG-IQ system (it can either be brand new, or one that you have been using for a while), and you want to add one or more new BIG-IQ Cloud systems as backup, you simply add the new systems to the primary system's cm-cloud-all-big-iqs group.
If discovery of the newly configured BIG-IQ system fails, a Delete button displays. Verify the correct self IP address and credentials. Then click the Delete button to remove the incorrect information, and re-type the self IP address, user name, and password.