My apologies, I am fairly green when it comes to Cisco.
I have a setup in which I have a Cisco box as my default gateway (with local address 192.168.99.1, let's say) and another router which I intend to use as a VPN appliance at 192.168.99.2. The VPN network is 172.16.0.0 so I need to add a static route to the Cisco which routes traffic to/from 172.16.0.0 to the gateway 192.168.99.2. I added a default route which seems to work, however, the ASA seems to get hung up on an implicit rule (according to the Packet Tracer)
If I try and manually add rules to allow traffic in both directions on the inside interface, it automatically overwrites the first implicit rule. How do I add the rules I need?