I am trying to get NAT PMP working on a pair of opnsense boxes in high availability. I have tried setting it up with a minimal configuration but I really can´t seem to get it working. I also tried to setup a VM to test a single device and that seems to have worked.
The two devices is opnsense dec2750 with a business license. it is running 21.10.3, while the vm I tested is running 22.1.5.
It does seem like upnp does work in high availability, but not the nat pmp. Unfortunately tailscale is just running nat pmp.
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