Wouter_de_Bruin
Jun 22, 2007Nimbostratus
Persistence from proxy servers
I have an interseting (For me anyway!) challenge:
We have 3 proxy servers which are used to access the internal websites of the company.
The websites in turn are run on 3 Webservers behind the proxies. This means that a client connection is set up to a proxy server (Load balanced) and from the proxy server it gets load balanced to one of the web servers.
On the web server VIP we have source address persistence and predictive load balancing set up. What sometimes happens is that after a reload of the web servers the persistence for all three proxies end up on one of the web servers. Obviously not a good thing, as you could imagine. No load balancing anymore.
Is there a way that I can create an I-rule to fix this persistence problem. I have thought of TCP source port persistence, but I don't know if this is a good idea.
Another one is cookie persistence, but I still need to convince the proxy administrators that they'll be receiving a cookie from the F-5.
All insights into how I can fix this will be really appreciated.
Wouter