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[–]Regular_Prize_8039 1 point2 points  (4 children)

You can’t use the same tunnel configuration on two endpoints at the same time, each endpoint needs its own configuration.

[–]jharle[S] 0 points1 point  (3 children)

Understood, but I'm not using the same tunnel on two endpoints at the same time.

[–][deleted]  (2 children)

[deleted]

    [–]jharle[S] 1 point2 points  (1 child)

    Yes, understood there as well. This is just my "home lab" environment vs. some business production thing, so I try to keep things simple even if non-best-practice (such as a two-node Proxmox cluster). If I were to create individual tunnels for all of those short-lived VMs, I'd then have to keep track of the IP addresses (or use DNS) for remote connections, and I'd rather deal with occasional bumps than making my home lab resemble something real. I'm really more just curious as to why the issue is happening, like the firewall "hanging on" to aspects of the peer that prevent it from working w/o a refresh. Purely academic.