Someone please be kind and send me a cisco file (.pkt) about VPN(site-to-site) between three router. Again, 3 router must be consider in packet tracer.Here, i have tried alot but it does not succeed . I tried by  maintaing 2 maps  as well as dedicate...

Someone please help me to built site to site vpn between 3 routers.I have tried alot but i failed.Its over me, you guys please help....This is my topology.

what could be cisco project related to vpn? Please guide me for my project........Thanks in advance.....

Is it possible to convert ipv4 to ipv6 address when we configure cisco router with ipv4 in one end and that provide ipv6 as an output in other endIf so then please help me with that command...