It is possible to create tunnel, if you got single public IP but there are some question which I want to ask.
Where you want to configure the VPN i.e. the DSL router or any firewall.
On which router is your DSL link terminated.
Regards,
Suresh.
Getting Started
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: