From 90c448d32555e6bc65e77158cb255826cb9ff6a4 Mon Sep 17 00:00:00 2001 From: starkillerOG Date: Mon, 25 Jan 2021 16:06:43 +0100 Subject: [PATCH] Add troubleshooting regarding UPD multicast (vlans) (#16175) Co-authored-by: Franck Nijhof --- source/_integrations/motion_blinds.markdown | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/source/_integrations/motion_blinds.markdown b/source/_integrations/motion_blinds.markdown index 5a96d2e92f9..580363d0bfb 100644 --- a/source/_integrations/motion_blinds.markdown +++ b/source/_integrations/motion_blinds.markdown @@ -84,3 +84,17 @@ The `cover.set_cover_position` will set the scaled position relative to the spac | `entity_id` | yes | Name of the motion blind cover entity to control. For example `cover.TopDownBottomUp-Bottom-0001` | | `absolute_position` | no | Absolute position to move to. For example 70 | | `width` | yes | Optionally specify the width that is covered, only for TDBU Combined entities. For example 30 | + +## Troubleshooting + +Home Assistant uses the following UDP multicast addresses/ports for communication with the gateway: + +- Motion hub receive UDP multicast `238.0.0.18:32100` +- Motion hub sending UDP multicast `238.0.0.18:32101` + +This communication needs to be allowed on your local network. If the blinds are unavailable and you see error messages like: + +`Timeout of 5.0 sec occurred on 5 attempts while waiting on multicast push from update request, communication between gateway and blind might be bad.` + +Please make sure the motion gateway and the device running Home Assistant are on the same VLAN and multicasting is enabled/allowed by your router. +If using separate VLANs, make sure the 238.0.0.18:32100 and 238.0.0.18:32101 ports are open for communication between those VLANs (not tested or confirmed to work).