Ok, I will reply. Nobody here uses psp. This forum is for HFS users. The only time psp is brought up is when a psp user like yourself has problems and comes to the HFS forum thinking that we are familiar with that hardware or with your make and model of router.
What you describe is not a HFS issue. There have been a few threads about psp in the past. Search the forum. Problems psp users seemed to be having was because of port forwarding configuration errors with their routers.