Actually the is not enough memory to support in the 700 series routers to support a full Blown IPSEC tunnel, If that is what you are looking for try terminating the tunnel to an 800 series ISDN router. You may be able to terminate GRE with 700 thoug...
Heh you never mentioned you were trying to connect the tunnel to a different vendor platform. You can do one of 2 things change the Nortel device settings to match the Cisco default rekey intervals or vica versa heres how to change the cisco settings...
If you are getting the debug message " death by retrans" this is usually bc your peer device is not properly configured. If you've already established that phase 1 completes go back through your configs and try different SA's and hashings for your p...