Pedro Lamas • 3/28/2023

Accessing Sonos devices across VLANs on a Ubiquiti UDM network

This article details a solution for accessing Sonos devices across segregated VLANs on a Ubiquiti UniFi Dream Machine network. The author explains that Sonos uses multicast for device discovery, which is blocked by VLANs. The fix involves SSH-ing into the UDM and running a Python multicast-relay script to forward packets between VLAN interfaces, allowing the Sonos app to find and control the device.

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#Python #networking #iot