Update for RT-AX3000 Asus released firmware 3.0.0.4.386.47029 on Jan 10, 2022. So far no Auth. error in router log, all HS105 (v1, FW 1.5.6) switches respond (to Alexa) immediately, and no LOCAL ONLY...

@Solla-topee No, the beta firmware did not help.

@rahrndz I have had HS200 delayed respond/not responding for a few months with my RT-AX3000. With the latest two firmware: 3.0.0.4.386.45898 (Oct 07, latest as of writing) 3.0.0.4.386.45674 (Sep 22)]...