@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...

@Clive_A Tanks for the updated beta, after a short test it looks like the issue introduced in this firmware is fixed, I will let you know if I discover any problems other than those that are already...

@pduchnovsky TL-R605, ER605v1 is the same router but different name, it's sad but true. but it's easy to get confused with all the misinformation from TP-Link, on the web it's still tagged as new....

@pduchnovsky Problably never, this device is End of life. so upgrade to a newer device is the solution.