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PHyde
Trending Lyricist I
June 16, 2026

Sonos Beam 2 and same IP for multiple devices

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.

 

 

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7 replies

Stanley_4
Stanley_4
Grand Maestro
June 16, 2026

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.

    craigski
    Local Superstar
    June 16, 2026

    So my Ubiquiti homelab has severe errrors showing.

    Describe ‘severe errors’? What is not working?

     

      User117655
      User117655
      Prodigy II
      June 16, 2026

      Although 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...

        Stanley_4
        Stanley_4
        Grand Maestro
        June 16, 2026

        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. 

          PHydeAuthor
          Trending Lyricist I
          June 17, 2026

          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. 

          controlav
          controlav
          Lead Maestro
          June 17, 2026

          Definitive guide is https://github.com/IngmarStein/unifi-sonos-doc

          Author of the leading independent Sonos apps for Android, MacOS, iOS, Windows and Xbox.
            craigski
            Local Superstar
            June 17, 2026

            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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