10.3, how to configure cluster as "single Weblogic server"

Hello,
We have a Cluster with Two Managed servers. The ports for the MS's are 7002, 7003. We want deployments for these servers to be visible through port 80/443. Currently we have Mapviewer application deployed and targeted to the cluster. All servers are RUNNING and the deployment is active. However we are only able to access the deployment on ports 7002, 7003.
The documentation states: "A WebLogic Server cluster consists of multiple WebLogic Server server instances running simultaneously and working together to provide increased scalability and reliability. A cluster appears to clients to be a single WebLogic Server instance."
But nowhere does it state how to get a cluster to appear as a "single Weblogic server instance". Where does this happen in the admin console or config files? Perhaps its a node manager function? Please help. Thank you.

Thank you. I was beginning to think it was something external to Weblogic. I saw alot in the docs about Load Balancing within Weblogic but didn't read much into it. I'm assuming its more at the application level? Anyhow..
Reading the description of the FrontEndHttpPort config option for Clusters made me think it was the solution:
"Sets the FrontendHTTPPort for the default webserver (not virtual hosts) for all the servers in the cluster. Provides a method to ensure that the webapp will always have the correct PORT information, even when the request is coming through a firewall or a proxy. If this parameter is configured, the HOST header will be ignored and the information in this parameter will be used in its place, when constructing the absolute urls for redirects."
I would set FrontendHTTPPort to 80, restart everything and get strange results. If I typed in http://localhost:7003/mapviewer it will redirect browser to http://localhost/mapviewer/faces/home.jspx and give a 404 type error. Using this new URL if I inserted the :7003 port again and hit go, the page would come up...but submitting a form or link on the page it would redirect back to port 80 and a 404 error. edit: this is probably working as intended.
So is there a popular solution or plugin for this issue?
Edited by: jstretch on Jan 21, 2009 2:06 PM

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