You can use the following different configurations of the application server to combine the plug-in configuration files of multiple application server profiles into a single output file:
* Using multiple stand-alone base application server profiles with an administrative agent using the job manager. The job manager function is a part of WebSphere Application
Server Network Deployment. However, you can use the job manager function with stand- alone, base application server profiles. Usethis topic to complete this configuration.
Etc.
References:
https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/com.ibm.websphere.nd.
doc/ae/twsv_configsimplelbadminagentjobmgr.html

Explanation/Reference:
Change the <timeout value> on the two lines of the timeout.jacl script to the new session expiration value. This number specifies the number of minutes the console preserves the session during inactivity.
References: https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/ com.ibm.websphere.nd.doc/isc/cons_sessionto.html

Explanation/Reference:
In a topology with a web server which forwards requests to an on demand router (ODR), the ODR can be set to dynamically generate and update the web server plug-in configuration file plugin-cfg.xml. By configuring an ODR to dynamically update plugin-cfg.xml, you avoid manually updating the file during administrative actions, which can affect the content.
References: https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/ com.ibm.websphere.nd.doc/ae/twve_odr.html