@Clive_A I'm not particularly good at this here, but to me it looks like the problem is that I can't change the public key on TP-Link in the wireguard section to match my wireguard config. But...

@Clive_A I have tried many different things without success. this is what i have to work with. here is a copy of a corresponding file. [Interface] PrivateKey =...

Short question, is it possible to use a TP-Link router with Wireguard support to connect to a wireguard server other than a TP-Link? I have a wireguard config generated by server but I can't find any...

@lshengfang do you want vpn between 2 ER605? no problem. just add site to site vpn. https://static.tp-link.com/upload/manual/2023/202310/20231009/1910013510_ER605(UN)_UG.pdf goto page 153

@firefox111 Try question mark :-)

@Clive_A t's not a big deal. there are two devices connected to the ER8411 but I see it switching between one and two devices after the upgrade. The CPU has also gone up a lot, but that shouldn't...