is the port number screwing things up?

"they" are not using a port number, I am using the port number. Actually, the guy I hired to set up my staging server is using ports. My theory is that this route would work

PHP Code:

http://staging.researchstudyonline.com/index.php/Configure/campaign_management_with_actions 


but that this route would not

PHP Code:

http://staging.researchstudyonline.com:8181/campaign_management_with_actions 


I have a debugger running on the system. Is it possible for me to step through the routing logic of the CI3 code to see if the route is actually getting mangled?

I have this is my routes. Is this incorrect?
$route['default_controller'] = 'Configure';

I'd like to be sure that the port is the problem before I go through the trouble of changing it. What module handles the CI3 routing before it gets to my application code?

proof that an old dog can learn new tricks