VPN 連接PS4

想問問,我而家用左nas做左個vpn server
理應係同vpn個 network連埋左?
但係ps4就用唔到local network連 係咪有咩setting
見ptt 有講過vpn router方法連,係咪我用nas整vpn同用router整vpn係會有分別?

謝謝