I currently have a 3825 Router that has approx. 160 GRE/IPSEC tunnels connected and am trying to set up DMVPN to simplify the config and allow me to get rid of the static address at all my remote locations but I've run into a routing problem.Physical...

How do you go about getting CDP to work over a IPSEC/GRE Tunnel? I'm tunneling between 3825 and 871.