I have a remote Cisco ISR (1000) that's using a public cellular APN to connect to an enterprise firewall via IPSec. The router is using IPSec for a majority of its connectivity, however I've had to add a script to the ISR without IPSec to generate in...

I have two questions: 1. Is it possible to establish GRE tunnels using IPSec encapsulation while using a cellular interface on an ISR router 2. Is it possible to establish this connectivity while the LTE carrier dynamically assigns a private address ...