Of course my #TurrisOmnia received an update today that broke network. Took 2h to reset and bisect that the #wireguard update seems broken.
Try lowering the MTU of the WireGuard interface: `ip link set wg0 mtu 1400`. Alternatively, it's possible your ISP throttles UDP.
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I have now asked
#EnergieAG if they shape UDP traffic. It would certainly be an explanation for that behavior, but also a surprise if they did. In Austria, I am still used to a neutral Internet. -
Problem solved! Turns out a firewall in the path had UDP flood protection and mis-classified
#WireGuard traffic as flooding. With exception rules in place, I now get 45MBit/s on a Mikrotik 2011UiAS vs. 12 MBit/s with OpenVPN/TCP (both with 100% CPU). HIghly recommend to use it! - 1 more reply
New conversation -
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It doesn't seem to be the MTU. Went all the way down to 1200 (on both sides), but no improvement.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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