Forum Discussion
nitass
Aug 24, 2013Employee
i agree with Hamish i.e. i do not think sync-only device group is what you are looking for. it does not contain failover object. so, i think you have to add 3rd bigip to device-group but make it active only when 1st and 2nd bigip are down.
About Sync-Only device groups
http://support.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/bigip-device-service-clustering-11-2-1/6.html