mDNS, VPNs & the UDM-Pro

This page summarizes the projects mentioned and recommended in the original post on /r/UNIFI

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  • multicast-relay

    multicast-relay docker for UniFi Dream Machines (by scyto)

  • #1 is relatively easy to accomplish with third-party tools, namely Scyto's multicast relay along with Boostchicken's UDM utilities. These tools have been available for a while now and many of you will already be aware of this approach and how it differs from the mDNS *reflector* offered by Unifi. It has more in common with the mDNS *repeater* approach of UI's EdgeOS. However, I've still been totally unsuccessful in relaying mDNS/SSDP across a site-to-site VPN between two UDM-Pros (or is that UDMs-Pro?)

  • udm-kernel

    Custom Linux kernels for the UniFi Dream Machine

  • This is not the most serious deficiency, but perhaps a more robust solution is possible. It has recently become possible to swap out the kernel of a UDM to a custom kernel which permits us to enable igmpproxy. The developer also provides instructions on how to get a multicast relay working, but I've been unable to successfully apply them to allow discovery of a Chromecast Ultra from the other site. Has anyone been able to get something like that to work, or otherwise to get multicast over VPN working using some other method?

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

    InfluxDB logo
  • unifios-utilities

    A collection of enhancements for UnifiOS based devices

  • #1 is relatively easy to accomplish with third-party tools, namely Scyto's multicast relay along with Boostchicken's UDM utilities. These tools have been available for a while now and many of you will already be aware of this approach and how it differs from the mDNS *reflector* offered by Unifi. It has more in common with the mDNS *repeater* approach of UI's EdgeOS. However, I've still been totally unsuccessful in relaying mDNS/SSDP across a site-to-site VPN between two UDM-Pros (or is that UDMs-Pro?)

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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