Access your router's setup page and try to lower down your mtu. if this won't fix your concern. try to open the ports being used by the psp so that your router will allow the connection properly.
hope this'll help you and just ask me if you have other concern
Answers & Comments
Access your router's setup page and try to lower down your mtu. if this won't fix your concern. try to open the ports being used by the psp so that your router will allow the connection properly.
hope this'll help you and just ask me if you have other concern
ciao!