can confirm upgrade to 25.7.1 then opnsense-patch b440c12 resolved the issue for me with all my IPSEC tunnels
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Show posts MenuQuote from: franco on March 26, 2025, 03:43:06 PMTry this:
# opnsense-patch https://github.com/opnsense/core/commit/b163c68bf92
I'll hotfix later today after confirmation here.
Cheers,
Franco
Quote from: Monviech (Cedrik) on February 07, 2025, 03:35:37 PMGood that the rules are the same, that means that can be ruled out (pun not intended xD)
If VPN is involved, the next possible cause can be PMTU (Path MTU Discovery), since VPN reduces possible MSS sizes.
In 25.1 there have been some issues regarding that.
https://github.com/opnsense/src/issues/235
You could try to install the test kernel and see if that fixes your issues:
https://github.com/opnsense/src/issues/235#issuecomment-2636702333