@Andy Robbins Thank you for reaching out to Microsoft Q&A. I understand that although you have an UDR created to push all traffic to the Cisco FTDv, traffic is still not going through the same. Do you have IP Forwarding enabled on the Cisco FTDv VM? If not, please do so as given here in this document.
When Azure sends network traffic to myVMNVA, if the traffic is destined for a different IP address, IP forwarding sends the traffic to the correct location.
Please let me know if turning it on helps and if not, we can further troubleshoot the issue. Thank you!
Please let us know if you have any further questions and we will be glad to assist you further. Thank you!
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