Hello, thanks for your reply. That is a little weird, there is a beta firmware which is newer than the current one, our engineer will email you and then you can install it and test its performance....

Hello, try to hard reset it one more time and verify whether you can detect 5GHz-2. If still the same, please login to the web UI and show us a screenshot of the 5GHz-2 wireless settings page. Thanks...

@Kittentakara Hello, how many address reservation entries you have added already? Theoretically, the Archer MR400 V3 supports up to 32 entries; Besides, please ensure that the firmware is up to date....

Hi Kalima, thanks for your valued reply. Glad to hear that you figured it out. Thanks for your sharing again. If need more help in the future, be free to let us know. Good day.

@mhaas11 Hello, may I know how do you know that this protection does not work? Could you please provide more details? Thanks a lot.

@jpuk Hello, thanks for your update. Glad to hear that you figured it out. If need more help in the future, be free to let us know. Good day.