Problems opening the Meross garage door on the first try

Cupertino, March 30, 2021

Hello everyone, I have the Meross MSG100 HomeKit version with the latest firmware 4.1.13. I have an annoying problem with my setup and I'm wondering if anyone can help with troubleshooting. First a bit of information: I have the Apple Home app that works successfully to recognize and control many smart home devices that I have separated on my IoT VLAN. I use PfSense as a firewall / router with the udpbroadcastrelay plugin so that everything works smoothly. The problem I have is with the Meross garage opener (HomeKit version). Controlling their mobile app works well on VLANs, however through the native Apple Home app (and via Siri) they can't open the garage on first request (even if the app acknowledges that the request was completed successfully). That is, I do not receive errors that say the request failed, etc., but the garage remains closed and has not opened. The subsequent call / second attempt always works like a charm, and the garage opens constantly. This problem means that garage door automations do not work as expected through shortcuts or the Home application. Esp Geofence-based shortcuts via virtual switches in HomeBridge do not have the desired result. I wonder if this is due to the nature of the VLAN hops and how does Meross work on all VLANs? Or another issue with HomeKit or the Home app on iOS? Or settings specific to the Meross device itself? FWIW, I have a lot of other IoT devices (e.g., light bulbs, Sonos speakers, etc.) connected via HomeBridge on all VLANs, all working fine (especially :-)), so it's just the one I'm having trouble with.

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