Since I setup TrueNAS last fall, I have been trying in vain to get mDNS to play nice on my network. The networking in TrueNAS is a nightmare. No amount of loopback adapters, bridges, subnetting, etc has helped. I was able to get multichannel SMB to work for a bit with 2 NICs on 2 subnets, thus givin…

See: [image] WARNING: June 1st is the Apps Migration Deadline for TrueNAS 24.04 and 23.10 Announcements FYI… it doesn’t all quite work yet. There is a bug where we check for allowed port numbers and don’t permit ports that are re-used from other IP addresses. https://ixs…

You are a god send, not sure how I missed that. So I guess it’s more waiting for me until I get into app nirvana. It’s workable now with instances so I can wait. Thank you!

[image] moebis: You are a god send, not sure how I missed that. So I guess it’s more waiting for me until I get into app nirvana. It’s workable now with instances so I can wait. Thank you! Let me know when you reach it, because I’ve been trying to get there as well. I’ve been running Home Ass…

I’m in the same boat, Home Assistant app and mDNS not working. We can wait and see if that bugfix for the ports on per app IPs does anything. If it doesn’t then we probably need MACVLANs for this to work. You can vote for that feature request here. [image] Add support for creating M…

[image] OneHungryPoboy: We can wait and see if that bugfix for the ports on per app IPs does anything. Until someone test it, we don’t know whether MDNS works or not. It will work with muiltiple interfaces It needs to be validated with IP alias

[image] Captain_Morgan: It will work with muiltiple interfaces It needs to be validated with IP alias Can you elaborate on that? I actually have multiple interfaces in my TrueNAS machine where I need mDNS to work, but I still can’t seem to get the Home Assistant app to recognize a Homekit ap…

[image] amacal1: Home Assistant app to recognize a Homekit appliance. I was thinking about mDNS used to find the TrueNAS. I’m not sure what is needed to do outbound mDNS discovery. Someone will need to compare the LXC version vs the the App version and see what is broken. Does Home Assitant …

[image] Captain_Morgan: Someone will need to compare the LXC version vs the the App version and see what is broken. Does Home Assitant think it should work from a docker container? Its seems to be a well known problm with Docker and mDNS: " Let’s say that you have a service set up on a host…

Searching around I found this user post about getting it working in a container a few months ago. Initially they had to disable mDNS in network global config, and set the container to host network. On an older version of scale I was able to get device discovery working in the app by disabling truena…

[image] OneHungryPoboy: I was able to bypass the need for running home assistant in host networking mode by using the macvlan network driver. Good to know, but I assume you had to special things to make this work. Can you write it up in a new thread and post the link here.

mDNS nightmare ...per-App IP addressing doesn't help

Apps and Virtualization

LarsR June 5, 2025, 8:37am 2

See:

Topic		Replies	Views
Electric Eel Homebridge app not working Apps and Virtualization SCALE	29	1910	November 26, 2024
Home Assistant App Can’t See mDNS Devices with Per-App IP Apps and Virtualization	6	1035	June 24, 2025
mDNS in container with mDNS enabled on TrueNAS Apps and Virtualization	3	265	June 2, 2026
Home Assistant - How I ditched the VM and embraced The Container Apps and Virtualization	35	3656	May 8, 2026
Can't see my devices on Home assistant on truenas TrueNAS General SCALE , Networking , Apps	18	3507	September 19, 2025

mDNS nightmare ...per-App IP addressing doesn't help

Related topics