Fortigate Load Balancing (HTTP Cookie)
I'm running 2 * FortiGate 300D (A-A), FW 5.2.2
We are experiencing problems with load balancing a particular Java Application.
We have a virtual server, containing 3 physical servers.
HTTP persistence via HTTP Cookie, load balance method https (Round Robin)
We are experiencing intermittent session problems; whereby page elements appear blank or entire blank pages. A page refresh is the only way to continue the session.
Confusingly, when we stop 2 physical servers and run with just one single physical server the problems still persist. (I had initially thought that persistence wasn't working correctly and some http requests were making their way to other physical servers)
When we remove the Virtual Server and just create a straightforward Firewall VIP we have no problems.
I realise that this description isn't much to go on, but if anyone has any help or ideas it would be greatly appreciated :-)