So I took my base network and created a DMVPN network again and this time I ran RIP as the internal routing protocol. Pretty straight forward implementation. Nothing too special about it. Only real gotcha when I configured it was making sure that split horizon was off on the hub tunnel. Next hop on all the routes were correct by default.
The thing that I did notice though about this lab was that there is a potential for trouble shooting and configuration tickets and tasks in the v5 test. One possibility I see is if they make the internal and the external network be a subnet of the same classful network. Something like using 172.16.16.0/24 and 172.16.13.0/24. Both of these in RIP would be advertised with the network 172.16.0.0 command. Filtering would then be used to kill the external routes.
Overall pretty straight forward implementation.
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