Can you at least confirm that, say, a ping packet sent from one end arrives and is understood on the other end? Try the debug ip packet and debug ip icmp for this purpose (these commands can be quite verbose if the router is under load). Try to find out if an ICMP echo packet is received on the other end, whether a response is created and how is it routed.
Can you also please post here the relevant parts of the configuration of the both routers regarding the entire IPsec configuration including the routing entries?
Did it work at all at some time in the past? If it did, what has changed in your network since it was working?
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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