I have DIR-600 which i bought it around a year ago to use with cable internet and that cable operator have intranat entertainment sites too but before i could access but from last 6 months i cannot access the intranet sites. Then only could access internet sites but now i cannot access internet nor intranet sites

I have username and password given from ISP which i use to connect by PPTP or PPTP russia dual access.
My firmware version is 2.15
and hardware version is : Bx
Please can anyone tell me the solution so i could both websites.
Mujtaba Ali from karachi, pakistan.