[c-nsp] vpn configuration

[Dan Letkeman]

Hello,

I have the need to create a vpn between two routers.  R2 is behind R1
which is doing nat, and R3 has an interface with a public ip.  R3 has
to initiate the vpn connection because it has a dynamic public ip.  I
also need to be able to run ospf across the vpn and monitor the vpn
traffic.

What would be the best way to do this? Does anyone have any
configuration examples?

Thanks
Dan.