You don't provide the netmasks you are using with 192.168.3.0 and 192.168.2.0, and it a bad idea to make assumptions. But it is more than possible that you are using a 24 bit netmask here and that makes the two IPs you list network addresses. And these are generally never used for individual devices.
im not following what your saying..... i put in what i had in my server pptp settings..i can connect and get a assigned ip address but no local traffic