Further information on my system:
I used 192.168.1.1 on my router address..
On my WAN1 I used PPPoE for my internet and its working fine...
DHCP Server is enabled.. with this range 192.168.1.100 till 200
Firewall Tab:... Firewall is enabled, SPI is enabled, DOS is enabled, Block WAN request is disabled, Remote management is enabled, HTTPS is enabled, Multicast pass through is enabled, MTU is enabled,
Access to HTTP Proxy server is checked..
In VPN tab:
PPTP server is enabled..
Range start to 192.168.1.201 till 205
with test user added..