How to configure a failover priority for Forwarding Hosts:
Does the order of forwarding hosts in a Forwarding Group has any effect on failover priority when load balancing method is set to 'None'?
Example: Will requests be forwarded to ‘host3’ as opposed to ‘host2’, if ‘host1’ is not available?
The order of the forwarding hosts in the Forwarding Group does not affect the priority of failover. A Forwarding Group is only used to define load balancing method among the hosts.
To accomplish a failover priority for the forwarding hosts, create a forwarding rule similar to the following:
forward("host1", "host3", "host2") forward.fail_open(no)
Requests are sent to a forwarding host named 'host1'. If 'host1' is not available, requests are sent to 'host3' and subsequently ‘host2’ if ‘host3’ is not available.