So my Ubiquiti homelab has severe errrors showing.
Multiple Sonos devices use same IP. Usually Beam and Sub.
Tried every setting I found and thought of to no avail. Contacted Ubiquiti and their team looked at logs and said its on Sonos to rectify.
Question
Sonos Beam 2 and same IP for multiple devices
Nope, what Sonos is doing is completely normal the Ubiquity gear is simply not programmed (by default) to understand the issue.
When you Bond a Sub and Surrounds to a soundbar they leave the direct connection (high latency) connection to your Wi-Fi and make a direct (5 gHz and private/hidden) connection (low latency) to the soundbar.
There are multiple topics here on proper settings for your gear. Ubiquity support has the same information available as do their forums.
So my Ubiquiti homelab has severe errrors showing.
Describe ‘severe errors’? What is not working?
+9Although Ubiquiti may have other considerations it is likely ARP processing on the router.
Exclude soundbar/sub/surrounds from ARP spoof traps on your router...
When bonded speakers communicate on WiFi they do so through the controlling soundbar - hence multiple devices using the same IP. ARP anti-spoofing will trap and block these attempts...
More than you ever wanted to know about ARP, and why simplistic approaches to security fail.
https://www.sciencedirect.com/science/article/pii/S1084804525002930
2.2. Conventional detection methods
One of the most common approaches to ARP spoofing mitigation involves making ARP cache entries static. Hijazi and Obaidat (2018) proposed an effective solution by collecting and registering IP-MAC pairs, which were then used to generate a static ARP table. This method offers lightweight and efficient protection but is ineffective in dynamic environments such as smart homes, where devices frequently join and leave the network.
As I said I have followed every setting and rhen some that has been recommended.
There is a severe error of duplicate IPs being used. Yes I know that beam forms a 5ghz connection for devices to connect to.
So you say this is just an misinterpretation of IPs used?
Need to check ARP.
So you say this is just an misinterpretation of IPs used?
What you are seeing is benign. Your Unifi is detecting the same IP has been used with multiple MAC addresses, as explained in several of the above posts, this is normal behaviour when HT speakers boot and later bond.
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