Mdns repeater unifi On the USG, the GUI mDNS option utilized the reflector, which had an issue where it sent multicast traffic to all interfaces including the WLAN interface. Unifi AP Chromecast set service mdns repeater interface <interface-id> 3. 2025. mDNS repeaters are configured for switch0, switch0. Deleted directories or packages may break the underlying software that makes your UDM-Pro SE function as designed. 251 and [ff02::fb] or; on both interfaces to port 5353 at "subnet address" or This is a place to discuss all of Ubiquiti's products, such as the EdgeRouter, UniFi, AirFiber, etc. However that is not on the table currently, and after all, it does work So I've been struggling for a few days trying to get MDNS replication working across my VLANS and was hoping for some advice. Readme License. An example config to enable the service on the eth1 and eth2 interfaces is: configure set service mdns repeater interface eth1 set service mdns repeater interface eth2 commit ; save This port is used for Airplay but the counters are incremented when I tested HomeKit. I make a firewall group for port 5353, and write a LAN_LOCAL rule (since the repeater runs on the USG) that drops UDP whose source is that mDNS group headed to the IoT VLAN. 52 forks. Member Candidate. Some firewalls (e. It starts with enabling the mDNS repeater in the Unifi controller. There is less information out there on igmp proxy , but I am heading down that path You can also look at Unifi's article on managing multicast with Chromecast and Google Home products: UniFi - Best Practices for Managing Chromecast/Google Home on UniFi Network For example Ubiquity edgerouters can via mdns repeater. I am trying to replicate that with OPNsense. It'll bugger up This is a place to discuss all of Ubiquiti's products, such as the EdgeRouter, UniFi, AirFiber, etc. I am running OPNsense version 24. I know my unifi router does mdns reflection but I assume I need to do an mdns repeater onto the wg0 interface? No idea what the difference between the two are or how to implement this. mDNS repeater should also be enabled for all VLANs your homekit/airplay devices are in. Starting on the UNIFI side create your IoT network and IoT wifi (if you have not already) and Now switched to the mDNS repeater on my Unifi UDM that's in the same network but doesn't function as a router. mDNS repeater question for a USG Pro with 3 networks: secure Hi, I read around that many users complain that Mikrotik hasn't yet implemented such a mDNS feature on their devices. 2, ER7206 V1 1. The switch0 (LAN) is the untagged network, and the switch0. Just got some new Unifi gear to finally segment and isolate all of the IoT devices on my network. I'm not sure the details of it. Now I suspect that the issue is related to mDNS. (OPNsense) runs an mDNS repeater across these two VLANs so devices can be located, and the firewall rules allow all traffic into the IoT ensure mDNS can traverse through VLANs. With these options enabled I actually can see the Fire TV on the HOME network's interface/subnet if I use a Hi All, mDNS service is added to Gateway since Omada SDN Controller v5. What am i missing? I have an edgerouter 4 and what worked for me was enabling mDNS repeater between my home LAN and the IOT VLAN (in my case, interface eth3 and eth3. An example config to enable the service on the eth1 and eth2 interfaces is: configure. SSH into the UDM-Pro. I also use multicast Avoid the mDNS support Unifi offers to span VLANs - it doesn’t work that way and it breaks mDNS badly. In UniFi. Adding port 1900 to my broadcast-relay for SSDP when I noticed that being sniffed via Wireshark didn't help. The other couple of things that may be important - and I was hoping someone could confirm either way: I've got mDNS Repeater enabled in OPNsense across both my client and service VLANs. Looking into it again, it appears this has been fixed on newer consoles and I should be using the GUI 'mdns repeater interface xxxxx' where xxxxx is/are the interface(s) mDNS advertisements are from as well as repeat mDNS advertisements to. Resources. 2. 323 stars. Everything works great, except various services that rely on bonjour or similar protocols are unreliable. Freshly updated for UniFi Network version 8. EdgeRouter - mDNS Repeater EdgeRouter - LLDP EdgeRouter - Add Commands to EdgeOS EdgeRouter - Run Operational Mode Command from Scripts EdgeRouter - SNMP EdgeRouter - IGMP Proxy EdgeRouter - DHCP Relay I mean even the Edgerouter-x has an MDNS repeater. r/UNIFI. I have nothing enabled in Omada for my APs. I have a mix of Unifi AP network with a U6 Pro, an AC-Pro, and a nanoHD. It has more in common with the mDNS *repeater* approach of UI's EdgeOS. But anyone looking to do this will want mDNS for repeating this broadcast traffic cross network. Forks. Check VLAN Configuration : Ensure your VLANs are As a quick recap (more on my Unifi IoT VLANhere), I recently replaced some unmanaged D-Link 1G switches with Unifi USW-Lite-8-PoE and USW-Lite-16-PoE switches in order to add VLAN functionality. Single exception is a Brother printer/scanner that announces its scanning service I am testing a single AP and only have the Unifi Network Application. As part of the multi-part guide I'm working on to help novice users set up a separate IoT VLAN on their UniFi network, Interestingly my printer works fine in my IoT lan as long as I have the mDNS repeater on. NOT firewall rules), by allowing ALL traffic between VLANs during testing. Custom Wifi network (WIFI2) created on GL-SFT1200 for my HomeKit device. Question So there was this post from three years ago that talked about how the UDM Pro’s multicast mDNS feature is borked. March 06, 2024, 02:11:28 PM #5 now i use a ubuntu 22. If I figure it out I will report back. I have my IoT devices on a separate VLAN and use the udpbroadcastrelay plugin to make them available on other VLANs. So I’ve just given up on trying to use multiple VLANs/mDNS repeater together with the Trådfri GW, maybe I’m doing something wrong. IPv4 and IPv6. These are not UI technologies, UniFi Controller UI Settings. ADMIN MOD mDNS . until then may the odds ever be You need to keep in mind that mdns won't be routed between different ip-ranges, regardless of firewall rules. " The config. Fedora Magazine has a good article on setting it I recently got mDNS working across multiple VLANs, but the solution has me puzzled I’ve got a Ubiquiti EdgeRouter 10X with the latest firmware. Posts: 207 I am still trying to figure out how to configure it correctly as I’ve a RB3011 with a UniFi 48 Pro POE switch and trying to configure to make sure the VLANs for Video Over IP works and properly mDNS Reflector (GUI) = OFF mDNS Repeater (JSON config) = ON IGMP Proxy (JSON config) = ON Have isolated it to a multicast/repeater/TTL issue of some kind (i. At the moment I have an USG3 + CloudKeyGen2+ and I will migrate to an UDM Pro and use the udm-utilities as a replacement for my config. When I turn on mDNS-repeater on my OPNsense my network gets flooded with traffice (most likely broadcast storm). I also have an inbound rule on each vlan interface Read stories about Unifi on Medium. I have two different wifi SSIDs, each in their own VLAN/subnet. I have the mDNS Repeater activated for all interfaces except WAN, and I have attached my current firewall rules for reference. 3. I’m still curious why ubiquity removed the MDNS repeater option from the GUI, and I hope they don’t remove the capability all together since its very useful with the small ESP devices, WLED, etc. This is a place to discuss all things Ubiquiti, especially UniFi. I have created a separate VLAN for my IOT and smart devices, which has no firewall rules, and can currently talk to my "Private" network. How to setup your network to support Matter devices. 04. gateway file. Maybe they should include the mDNS repeater in the GUI. To identify the interfaces you're About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Hi, I have an unifi setup with vlans (mDNS enabled) and everything is rock solid and works perfectly, that's not the issue. 20 and . 1 # or whatever your Hey guys, setting up an IoT network for my house and some across two different types of mDNS "mirroring". mDNS repeater working fine on the USG. 1 as they are fully adapted to Controller First, I installed the mdns-repeater plugin (os-mdns-repeater) and enabled in it my main LAN and the VLAN where Chromcasts devices are. For network management, I have a UniFi Controller running in a Docker container on my Synology NAS, which resides in the main LAN. The traffic from IoT to my main LAN is blocked apart from the related traffic (and DNS for PiHole). Other platforms like Tasmota / Linux / printers has perfect mdns working. Reply reply More replies I have a full Unifi setup at home with a USG, and am looking to NAT a device from one internal network to another. json MDNS configuration is working great on my USG3. This should be added to the config. I can see and print to the printers from my LAN, which has access to all the other VLANs. Discover smart, unique perspectives on Unifi and the topics that matter most to you like Ubiquiti, Wifi, Case, Tutorial, Networking, Defi, Produtos, Network So my setup is Unifi router, pi-hole/unbound dietpi vm, unraid running WireGuard. Now we can install our custom mDNS Reflector. 1 and switch0. 10 VLAN is the GUEST network and the switch0. This config is more straight forward on an edgerouter Unifi points do support fast hand off too - but from my experience with them, require far more planning on the positioning of the points. 100. This is required as Unifi only has an mDNS repeater built-in. set service mdns On Unifi you can specify "None" whereas on Omada they force you to choose an untagged VLAN. Commit the changes and save the configuration. I can cast from my phone to Sonos as well. That's it! I ran Slave in the Magic Mirror and mdns-repeater successfully detected and repeated the requests (according to its' logs at least). I have mdns repeater enabled on my firewall and other mdns devices work fine. UniFi 7 Innovations: U7 Pro Max | U7 Pro Wall | U7 Outdoor I am obviously a few generations behind on hardware, so I'm actually not sure at all if the newer consoles still support . The mDNS repeater on the router simply forwards mDNS packets between VLANs so mDNS requests can work across VLANs. 20 VLAN is the IOT network. json not being accepted . It's been pretty consistently stated on the UI Community forums and on here that that settings blasts your multicast traffic to the WLAN interface as well, which isn't very secure. 13), but the UDM-P is up at the 6. Since I last posted on the difference between . I understand that I will most likely need to use the CLI, but I am not able to find much documentation online regarding The solution for this problem are mDNS reflectors. I have the repeater also enabled in the UI. I've also done a This is a place to discuss all of Ubiquiti's products, such as the EdgeRouter, UniFi, AirFiber, etc. The root switch (first off the PFSense) gets priority 4096. Installing a Custom mDNS Reflector. You must have an mDNS repeater/reflector running somewhere which repeats the mDNS broadcasts on the Chromecasts uses MDNS multicasts to announce the Chromecast to the network. On my EdgeRouter, I have configured both the reflector and repeaters as follows: service mdns reflector service mdns repeater { interface eth0. There are a couple of plugins available on OPNsense for that purpose. ssh root@192. Background. I do not use Aqara, but with Unifi, you can completely stop the Unifi controller and the devices from phoning home: I want to use the mDNS repeater on OPNsense to forward mDNS between two subnets. 251 instead of the requester's ip, and even though your machine may see them in wireshark, they don't seem to be recognized as responses to our queries. 5 but this is not preferred because we lose the scanner functionality if So I permit tcp host unifi portal eq 8880 guest wireless subnet (same for 8443) Then you need to do the same for guest wireless subnet to unifi portal with the same ports but also 5353 for mDNS as well as mDNS repeaters on interfaces that require this to support features such as Airplay. There is a reflector (what the UI does) and a repeater (only available via config. 10. Can’t connect sump alarm to unifi network comments. CERT/CC VU#550620) has been patched in the UDM-Pro, we are still The USG just allows for the configuration of the mDNS repeater instead of the GUI toggled reflector. local domain without any central DNS configuration (also known as ZeroConf and Bonjour, etc). json configs. 8, and all is fully updated. 20 interface eht0. UDM Pro (SE) vs. Also, when I've used Unifi points in total isolation mode (as in no back bone on the network) they are far more flaky when compared to Gwifi. commit ; save . The solution is to change all your UniFi switches to STP mode instead of RSTP. Like for any other solution you will need to run a mDNS repeater or broadcast relay to repeat mDNS traffic across VLANs. Just not worth the Just to note, the following was already in place beforehand: mDNS was enabled, IGMP Snooping was enabled on the UniFi VLAN network, the UniFi wireless networks both have multicast enhancement (IGMPv3) turned on, but I don't know whether any of these actually make a difference, I'll test that later. mDNS repeater question for a USG Pro with 3 networks: secure LAN, IoT, and other (NOT guest) Otherwise the mdns responses will be sent to 224. In Settings > Networks > Global Network Settings - I have enabled relay chromecast philips-hue sonos python3 broadcast ssdp multicast python2 mdns vlan mdns-repeater ssdp-relay Resources. An mDNS message is a multicast UDP packet to/from IPv4 address of 224. . If I keep both the avahi-daemon running and the docker image on the home assistant that runs mdns-repeator, I get a ton of traffic across all of the VLANs that I am reflecting mdns traffic. md at main · TobyAnscombe/udm-setup. The HomeKit Ports in So in this video, he suggests turning on the mDNS service in the UI. mDNS Reflector does So I re-enable the mDNS repeater service. 6 (the firmware adapted to Omada SDN Controller v5. json below is my existing config, can someone help me on the way to make this working with my new udm pro? In the config I have 1. From what I remember this requires mDNS repeaters and a lot of VLAN pivoting that kind of negates the benefits of sectioning out the traffic. These MDNS packets are not designed to cross networks, so you need to set up a MDNS repeater. 40. Most of the Homekit gear I use relies on mDNS (formerly Bonjour) service discovery. On the Pi I have the unifi controller running also. Instead, we'll be turning on mDNS "repeater," which is more secure because it only broadcasts mDNS packets across LANs. I have a Synology NAS server on the way and would like to host pihole on docker using it if it supports being an mdns repeater. My doubt is regarding the amount of mDNS traffic I saw with Wireshark (filtering by mDNS). I have another Sonos Play connected via WiFi and a Sonos Play:1 connected via WiFi. An example config to enable the service on the eth1 and eth2 interfaces is: configure set service mdns repeater interface eth1 set service mdns repeater interface eth2 commit ; save Maybe Ubiquiti don’t include this in the ‘best practices’ guide because they are trying to move people away from doing config outside the GUI. 30 are the virtual interfaces assigned to my main and IoT VLANs) I am still not seeing any of the Chromecast groups. Omada mDNS Repeater + Chromecast To be honest I tried to go full stack omada however the mdns sh*tshow is what's - mDNS repeater - On - mDNS FW Rules to allow UDP 5353 traffic as a floating rule - On So at the moment I am kinda running out of ideas how to troubleshoot this. 10) and everything began working instantly. Some talk about Docker containers, custom mDNS repeaters, etc. No matter what I set in the network settings it seems like the AVAHI service will not spin up: I havn't tested this to bridge to Guest Networks, but this should go the same for isolated vlans for IoT and the sort. AVAHI is one, I believe the unifi gateways also have an option, but I'm not sure how granular it is. My iphone on my main LAN could see my chromecasts on my IOT VLAN as options to cast to from the youtube app. I have used both the os-mdns-repeater and os-udpbroadcast-relay plugins (separately), but without success. In the Controller GUI, navigate to Devices → Unifi Security Gateway → Config → Force Provision → Provision. Enable mDNS Repeater: As mentioned earlier, enable the mDNS Repeater to bridge mDNS traffic between VLANs. I'm assuming this is talking This is some sort of magic address in mdns. But when I connect an AppleTV to one SSID and an iPad to the other, I don’t want to be able to AirPlay. With Not sure if this is related, but when I enable the mDNS repeater on my EdgeRouter the Trådfri gateway stops working. Then set up a nat masquerade rule to masq all traffic from your main vlan (eth0) to your IOT VLAN (eth0. Wondering if I need This is a place to discuss all of Ubiquiti's products, such as the EdgeRouter, UniFi, AirFiber, etc. I wasn't able to Getting those mDNS updates across the VLANs takes two steps. Turn on mdns repeater on both vlans that you are using. TL;DR - what networking hardware makes mDNS across VLANs reliable and seamless? Is Aruba or Cisco better? mDNS repeater question for a USG Pro with 3 networks: secure LAN, IoT, and other (NOT guest) So, I've been trying to get my head around this conceptually for a bit and I don't think there's a way, but it doesn't hurt to ask. Read the rules before posting! A community dedicated to discussion of VMware products mDNS, or multicast DNS, is a way to discover devices on your network at . I don't have the budget to splurge on a UniFi 24 port switch I have enabled mDNS repeater/reflector on the ER7206 and have no ACL rules so inter-VLAN routing works. 59, including Radio Manager, PPSK, and other recent changes. I don't have a USG, however this posts looks like the USG has a built-in MDNS repeater. This works when I am using the multicast relay but not when I am using Ubiquiti’s mDNS. It is a bit complicated, but has been rock solid. Was just about to abort/backtrack but then all came on stream. g. 3, and ER605 V2 2. As a follow on from a previous post I discussed how to enable the IGMP Proxy in the USG product line to permit cross VLAN mDNS traffic. kurbler; Newbie; Posts 11; Logged; Re: Issues with mDNS Repeater . TonyJr. on both interfaces to port 5353 at 224. Something to look for in case you run into issues. Any guidance on this would be greatly appreciated. 7. If you are running a Unifi only network configuration with an USG or UDM you need to configure this on that devices. UDMP IPv6 I have a home Unifi setup with USG3, Unifi controller, 6 Unifi APs and a Zyxel GS1940-48HP POE switch. Potential dumbass question, but is it possible for me to block some devices' mDNS broadcasts across VLANs, but not others, on a USG?. eth_home: Homenetwork eth_smart: Smarthome-Devices eth_print: Printers We want the devices in Printers to announce their services into the Homenetwork. "mdns": { "repeater": { "interface": [ "eth1", "eth1. Look into mdns repeater and reflector services. 1003 and a IOT_LOCAL rule to allow. Unifi Forums Posting on MDNS; Reddit posting on the topic; Creating config. 0). 20. I have unchecked Multicast and IGMP-Snooping in the settings, but still I can see my chromecast devices on a different network. localdomain where you get automatic naming from the hostnames, this really undocumented set of features has been useful and hard to debug. It's also a mDNS reflector and not an mDNS repeater, which is set up in the config. Examples: AirPrint printer (wired) sometimes not visible to some clients while visible to others. Today on the hook up it’s time for part 2 of my Ultimate Secure Smart Home Network series. Networking experts reply that you can do without it and use IGMP proxy instead, expecially because it is safer than running a mDNS repeater on your network, in particular if you already have the traffic segragated in different subnets. I also tried sending the SIGUSR1 signal to avahi-daemon This is a place to discuss all of Ubiquiti's products, such as the EdgeRouter, UniFi, AirFiber, etc. mDNS Repeater is needed to make some services work across vlans, like printing, casting and etc. json" to configure MDNS repeater Question Hey guys, I have 3 VLANS set up (master = access to everything), House (access to only LAN and WLAN inside house) and ADU (access to only LAN and WLAN inside guest house. r/vmware. Also mentions that on a USG you were able to edit a json file. Say you have two networks bound together with site-to-site tunnels, repeating mDNS over the tunnel And Someone mentioned that pihole can act as an mdns repeater across vlans but I haven’t found anything online about it. Based on the above I’ve found I have identified a strange problem using the mDNS Repeater plugin. Members Online • Yes, mDNS traffic is blocked if you don't have mDNS reflection turned on, even without your firewall rules. This means the combination of: mDNS reflector or multicast repeater is This is a place to discuss all of Ubiquiti's products, such as the EdgeRouter, UniFi, AirFiber, etc. Depending on your router look for something of the like and you should be able to. (I see the same behavior using UDP Broadcast Relay). In UniFi in my IoT Wi-Fi network I had to enable I have igmp-proxy, mdns repeater and the iptables mangle for ttl=4 setup. mDNS reflection just For reference - IPv4 mDNS traffic is covered by the mDNS repeater plugin (if you have multiple internal subnets/VLANs) but it doesn't do IPv6. Socket limit increased to 16 sockets, moved to #define. Hello! I'm attempting to implement the config. Have you tried MDNS repeater? You can use it alongside UDPBR providing you don't use the same ports, mdns repeater uses port 5353 and 224. Finally for anyone else with Unifi APs and switches, you've probably seen advice for enabling Multicast Management and IGMP Snooping. I’m doing a new install and the UNiFi router/firewalls are just off the table without functional mDNS as it defeats the point of doing VLANs if you have just to open up everything to get After quite a bit of research/troubleshooting i wanted to share how i was able to get Home Assistant working in Docker setup for bridge networking with a private IoT network running on Unifi hardware behind an nginx reverse proxy. Out of the documentation it is not clear to me what firewall rules I need to allow the mDNS multicast traffic between these two vpn. Moved to a Ubiquiti UDM Pro and mDNS is broken (ESPHome sporadically shows devices as connected). This will allow the USG to accept the MDNS request and relay it to the other networks. But I cannot deactivate multicast/broadcast on my Unifi devices. gateway. Member. I understand all that is needed is to enable mDNS repeater, i added the 2 switch interface but still could not see chromecast devices on the guest network. Working in the shell means that mistakes can happen. 0) and my Philips Hue run on an IoT VLAN (192. The USG has a toggle in the This is a place to discuss all of Ubiquiti's products, such as the EdgeRouter, UniFi, AirFiber, etc. The only thing that doesn’t work is the Sonos controller on my Mac. Unfortunately this requires a custom gateway config json. UniFi still requiring MongoDB 3. Grouped devices don't reliably show up without the change. Then you have to set the priorities of each UniFi switch. 27 watching. Unifi shows both of the latter two Sonos speakers connected to unifi wireless, so if they use SonosNet they must be doing both. Looks massive to me. mDNS echoes the multicast to other subnets. Yes it would be easier to just have all on one LAN. For example this forwards just SSDP but not mDNS between LAN, VLAN50 and VLAN60: docker run --network=host - The MDNS repeater is back online and functioning. It doesn't This is a place to discuss all of Ubiquiti's products, such as the EdgeRouter, UniFi, AirFiber, etc. Although the earlier USG's vulnerability of mDNS traffic being reflected to WAN (cf. Make sure mDNS works between subnets (vlans) - this can be a PITA. Problem 1: UniFi APs don't replicate mDNS when meshing is enabled UniFi APs that are at least the PRO and LITE models (not sure how many others are affected), DO NOT replicate mDNS traffic over 5GHz SSIDs Business Community > Controllers > Omada mDNS Repeater + Chromecast < Controllers. I'm using pfSense and Unifi (switches and AP) with a vLAN setup where I have laptops and phones on one vLAN (VLAN30) and one with Chromecast/assistant/speaker devices (VLAN40). I can tcpdump my APs on my LAN network and see traffic from only my LAN devices. I've set up the mDNS repeater via JSON (as per here and here) and it works great. In the UDM/UDM-Pro Unless dhcp snooping is causing you an issue my recommendation would be to leave it enabled on a UDM,UDR,UXG, or Unifi Express. 1. I have a much more complicated setup than you (three separate VLANs for IoT devices; ATVs; and my main LAN, as well as other VLANs for different purposes). the mDNS repeater will be added on Controller v5. However, esphome rarely ever mDNS propagation. This repeater however doesn’t work fully across VLANs without a little magic. DMP no "config. Chromecast mDNS edgerouter I have 2 vlans on switch0. The real 'problem' is googles home based implementation that is hell bent on not working with any sort of corporate network, as evident by having a TTL of 1 on its discovery I believe they are advertised via mDNS. GL-SFT1200 in repeater mode connected to this open wifi. UDM Pro SE - Multicast mDNS / AVAHI No Longer Working Question I am having an issue with turning on Multicast DNS on my UDM Pro SE. Any suggestions on what do do? 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. The discovery process also works I actually installed Avahi, and with the mdns repeater option it repeats mdns broadcasts along all the chosen interfaces/subnets. On a USG article I noticed that one of these services will broadcast mDNS to the WAN as stated here Enabling the mDNS feature will enable a service on the USG that will reflect (mirror) mDNS packets into all other networks including WAN. Mainly I chose it because of VLAN (and firewalls). 6 is again, Complete bullshit and unacceptable. 10 and switch0. 12 level for the network Hi, my setup works and I've done like so:I have HomeAssistant in a docker on a Raspberry pi on the Host network. but I wasn't able to get the airplay-type devices to show up on the guest devices with a mDNS repeater solution I found when researching. I have the computers, NAS, printers and the APs on the plain LAN and then two additions VLANS. UniFi config: 3 networks, configured as per pfsense CIDRS LAN IOT (VLAN ID 10) SONOS (VLAN ID 20) 3 SSIDS: Avahi Tutorial: Configuring a Reflector (aka, mDNS repeater) Thread starter eibgrad; Start date Jul 22, 2020; eibgrad Forum Guru. Members Online. Each of my networks are receiving around 20k mDNS packets in a time frame of 30 minutes. mdns-repeater eth0 tun0 -f Just add the interfaces you want to have the requests repeated over and -f for foreground/debugging. VPN connection mDNS Repeater: config. UniFi 7 Innovations: U7 Pro Max | U7 Pro mDNS Repeating would absolutely be a worthwhile implementation, as using Avahi to do mDNS repeating instead of multicast routing then it does actually work as expected. My setup is OPNsense router + Unifi switch and APs. 6). Anyone able to provide some guidance? A simple set of readme's for how to setup IoT and VLANS on the Unifi Dream Machine / Dream Machine Pro - udm-setup/multicast-relay. Here are the steps you can follow: Open the Omada SDN Controller For OPNsense there seems to be two solutions that allow mDNS and UDP broadcast realying across VLANs: mDNS Repeater and UDP Broadcast Relay source. I got it working by following these instructions to enable mdns as a repeater instead. 30 as well as LAN to WLAN filtering turned off in Unifi. 3. 0 license Activity. For those asking I'm using a Unifi Dream Machine to manage my network/router and as a Firewall. Maybe I should On top of this, some of Unifi’s implementation of mDNS causes issues with specific setup steps during the Matter provisioning process. Reply reply You need an mdns reflector to rebroadcast the traffic to the wanted vlans. Run mdns-repeater with . 251 and UDP port 5353. 55 in my case). So some Hello! I have GL-SFT1200 (Opal) here. I dared to "upgrade" my network and migrated over to the UDMP. devices across my VLANs and my firewall rules block the devices I don't want to access across VLANs from I have IGMP snooping enabled as well as STP enabled globally. On my EdgeRouter I just needed the mDNS repeater enabled on both interfaces and to make sure traffic wasn Currently I am using Unifi UDM (base model) as a main home router. MDNS for Trusted/IoT VLAN 3. UniFi’s mDNS service The issue we were having was, mDNS enabled through the “Services” interface on the UniFi Dashboard to make Apple TVs, printers, etc from the LAN accessible on the vLANs, was causing the USG Pro CPU to be 90%+ Perhaps it was all on mdns (5353) but if that’s the case then it would mean that your mdns repeater isn’t working. I duplicate the rule for LAN_OUT in case I misunderstand LAN_LOCAL. On my edgerouter x there's a mdns-repeater that can be turned on to mirror broadcasts between vlans but in my mind that sort of This is a place to discuss all of Ubiquiti's products, such as the EdgeRouter, UniFi, AirFiber, etc. commit ; save. Using edge device and unifi AP. With others (e. I have tried Ubiquiti’s mDNS recently and it works for the most part. The intended use of this container is to relay mDNS broadcast packets between different network segments, which you typically have when docker containers are operated in net=bridged mode. Sorry I don’t use UniFi routers so I don’t know the details of hacking mdns into a dream machine via docker but I know others have done it I am using OPNsense version 23. However, the functionality does not appear to work as expected on the UDM-Pro (opposed to the USG, which seems to work as advertised). I have running a package named avahi on my pfSense Firewall. To fix this there is an alternative configuration for a repeater service (disable the mDNS "reflector" toggle in the UI), this however needs to be enabled via the config json. I have firewall rules set up to allow mDNS on port 5353 on my LAN and IoT IN firewall rules, and IoT LOCAL. I would rather run avahi-daemon on my router. Turn on the UniFi has a built-in mDNS Service that uses Avahi behind the scenes. I can be on my main VLAN and control my Sonos on the IoT VLAN. The mDNS toggle in the unifi configuration is a reflector. I didn’t find an official solution but from what I understand you can use some third party multi cast relay services to get this to work. Spotify uses mDNS with my Soundbar and TV, so that’s why it was a non issue. Stars. 168. Settings > Networks > Edit Network > Enable IGMP Snooping turned ON for both LAN - Main and VLAN - IoT (broadcasts) mDNS packets on the WAN side of the router. UniFi USGs) already have this integrated and enabled by default. UDM (and Pro) has a When I run Avahi in repeater mode on another computer connected to both the LAN and GUEST_LAN networks, it works flawlessly, but not when running Avahi on the pfSense box. I've seen dozens of posts trying to get mDNS to work between LAN and GUEST VLANs on the UDM Pro. local and . 6, which requires both your Omada Router and Omada Controller upgrading to SDN 5. Top . So I've purchased (used) 3 Aerohive AP230 access points to replace my single Unifi AP-AC-Lite, and configured them with the free ExtremeCloud IQ Connect tier, updated to the latest 10. There are definitely some pieces I wish were added to the GUI, but all in all I've been pretty happy with my Unifi setup since getting my VLANs and 3) mDNS Repeater And as mentioned, there are multiple LANs involved here: Media, Unifi and Home Assistant - that is why I need to "move" traffic between the three LANs. HomeKit device connected to WIFI2. In Part 1 I walked you through hardware selection using UniFi equipment and in today’s video I’m going to show you how to get your network setup using cybersecurity best practices including VLANs, Firewall Rules, Port Security, Intrusion Prevention, and VPNs. 6 on a local Beelink Mini PC. OpenWrt), the function can be installed or configured later. The repeater works as expected, but is not configurable on the UDM without installing custom containers. With the USG I had implemented a mDNS repeater that meant VLAN10 could find all the Bonjour devices in VLAN49. mDNS traffic is multicast, which is only broadcast as far as the VLAN it originated from. One for IoT and the other for the CCTV controller. Packets are synchronized between all given interfaces in all - Enable IGMP Snooping on the Unifi for each VLAN/profile setup with mDNS (Settings -> Advanced Features ->Network Isolation -> Edit) I have activated os-mdns-repeater and have it listening on the LAN, IOT and Guest interfaces. Reply reply And it seems this is working correctly. Iv'e set MDNS repeater on switch0 and switch0. I''ve tried to piece together various tutorials and can't seem to get it going. json). WireGuard seems to work but mDNS does not. GPL-3. To airplay Apple devices, LG TV, and SONOS speakers from your secure network in an Omada setup, you'll need to configure the mDNS repeater feature. Which is why I recommend turning mDNS off in the UI (which is reflector) and enabling mDNS repeater via JSON. json. The first is most interesting. Unifi supposedly supports bridging these broadcasts between subnets, but this capability has been broken in their Dream Machine products for years and they have been unresponsive to requests for a fix. UXG Pro - mDNS Repeater . I have a pfsense router that has avahi-daemon running and am using it for mDNS reflection across VLANs. e. json as listed within this post: https: \Users\<username>\Ubiquiti UniFi\data\sites\default forced provision and then began seeing errors and provision loop I've tried enabling the MDNS reflector and setup the repeater as well, with no luck. set service mdns repeater interface <interface-id> 3. In OPNsense there are firewall rules allowing access from VLAN to ports 53 and 5353 to the firewall gateway and also i have installed MDNS repeater plugin. and 3 APs (Pro, LR, and Lite). Members Online • leoncpt. What you're likely after isn't mDNS, but DNS host mapping, which can be configured on the DNS server on the Edgerouter. UniFi, AirFiber, etc. I can directly point to the printer by manually adding the IP to the OS as a printer device at 192. 4. Second, since my firewall rules deny any traffic from that VLAN to my main LAN and others VLANs, (so all in this VLAN is "blind" and going straight to the WAN GW, There are "mdns repeaters", however if you (presumably a home owner) are looking for an easy to setup, quick solution, you're just better off shoving everything in the same subnet. Left all the APs on existing firmware (4. Help! Hi, has anyone got the mDNS feature to work? I cant find my airplay devices, even tho I have my network listed in the settings. If you haven't configured your UDM-Pro for SSH, do that first. Services > mDNS > UPnP is turned OFF To run on multiple vlans and have more detailed info and turn off mDNS so you can use the unifi provided one. IMO the only time I'd use more than two vlans (main and guest) is in an enterprise deployment. To If using mDNS with Chromecast devices on a different VLAN, it's also worth looking into the repeater option instead of the default reflector. It reflects What you need, is a mDNS repeater typically running on your Router/Firewall. 4r4 firmware, etc. Jul 22, 2020 #1 UPDATE (11/14/2020): Significant changes have recently been made to Entware generally, and the Avahi packages specifically, that have required me to make updates to this document. Watchers. Tags apple udm firewall unifi ubiquiti airplay. - Enable IGMP Snooping on the Unifi for each VLAN/profile setup with mDNS mDNS repeater was available in pre-UDM Unifi systems using the configuration file, and often worked for Chromecast and Sonos problems where VLAN's were involved, where the option in the GUI did not. 4 machine with have a leg in both networks and i use "udp-broadcast-relay-redux-master" i have first to stop the Just rolled out a full UniFi stack that is now running great - mDNS was key when I was troubleshooting this in my own. I have also had a lot of issues with esphome mdns on my network running opnsense firewall with unifi pro 6 WAPs. 20" This means that EDIT: The solution was to run a SSDP repeater as a container within the UDM-P. 0. destination port 5353 (so I can see HomeKit devices from Personal LAN) Not sure if this applies to Spotify Connect, but I had issues with Chromecast groups when enabling mdns from the Unifi gui (defaults to reflecor instead of repeater). I'm currently using a USG3 and I'm looking to upgrade to the UXG-Pro but need a way to configure MDNS "repeater", not "reflector. So far, mDNS service has been supported on ER8411 V1 1. My setup looks like this - I have free/open wifi network (WIFI1) in remote location where I have my HomeKit device located (camera). json Let us define a few networks to make an example frame <iface_name>: <network_name>:. Under the Listen Interfaces I have checked both of those VLANs. It broadcasts all my AirPlay / Chromecast etc. Versions of mDNS are used by printers, Apple devices, Chromecast UniFi Security Gateway which Is a wired router and FireWall, and it is older and slower than UDM, It worked out of the box, without any mDNS repeater (as a matter of fact, an mDNS repeater made things worse). This is a place to discuss all of Ubiquiti's products, such as the EdgeRouter, UniFi, AirFiber, etc. That worked for sonos but not, initially, for Airplay. Members Online • the easiest fix would be a mdns repeater, right? Easiest fix is to be on the same network for both devices However, just create FW rules between the networks or IPs if you want communication to be allowed between the I'm just setting up the mDNS repeater plugin to make mDNS work between two VLANs. Use a Turned off mDNS in the UI and replaced with the mDNS repeater through jason config file as you detailed. And according to UniFi the device is offline having been seen last about 6 hours ago I have the mDNS repeater turned on in the edgerouter pointing at my LAN on eth1, and Iot Vlan on eth1. This causes problems for some devices, things like google home speaker groups do not work fully. The IOT and Guest VLAN We have two Unifi APs as well. I have a USG-p3, a Unifi Switch and a Unifi AP and my Pi run on the default VLAN (192. Go to UNIFI r/UNIFI. Multicast DNS (mDNS) Multicasting is normally limited to the subnet the device sending the multicast is in. 30 } (eth0. Static host mapping for my controller 2. Switches one level down get 4096x 2 = 8192. UniFi 7 Innovations: U7 Pro Max | U7 Pro Wall | U7 Outdoor Blacklist feature added (16 blacklisted subnets allowed). Likewise the devices in Smarthome-Devices should also announce their services into the Homenetwork. If anyone needs help with this please DM me Reply reply guice666 • I wouldn't use an mDNS repeater. I don’t know if it’s a bug with the MDNS repeater in the edge router or what but every time it’s enabled it causes a flood of MDNS discovery This image uses Darell Tan's mdns-repeater to bridge/repeat mDNS requests between two network interfaces. Let me explain my setup: Ditto with my UniFi L3 switch (also has mDNS forwarding and IGMP options). (UDP 5353) to the gateway from the guest network so that the mDNS repeater that's running on Little late to the party here, but wouldnt it be easier to have Avahi just act as an mDNS repeater/reflector and have it add to the TTL on the mDNS packets by 1 so that it can be forwarded to a different VLAN? Running a trunk to the pi seems like overkill. Once the USG comes back online you should be all set. I don’t think the authors realized DNS-SD already existed as the standards based solution to layer 3 service discovery. I am unsure of the difference except the reflector seems to suck and the repeater seems to work. 251 Works great here in my home network with a lot of Apple devices and a lot of Bonjour/mDNS going on. To identify the interfaces The implementation of mDNS on UI's Unifi line of routers has never been ideal. 6, probably released on October this year. Found some blog posts on installing an mDNS repeater on UDM Pro but that hasn't seemed to help. UniFi’s advanced Wi-Fi settings, what they mean, and how you should use them. Unifi network (UAP AC HD) All reactions. Is that going to be possible; at all set service mdns repeater interface <interface-id> Click to copy. Some allow new from management to all other vlans (my management network has more than just the Unifi gear on it - Proxmox hypervisor, Splunk, drop all rfc1819 to rfc1819 (see article above) It is better to use the mDNS repeater configuration instead and define which vlans to permit this on. Also do not forget to allow mDNS traffic (5353TCP/UDP) between the VLAN. Turn on the mdns repeater. I kept my Ubiquiti EdgeMax EdgeRouter 4 as the firewall/gateway, with a connection to two ISPs, and my Ubi In this document, we will cover the easiest way to properly configure your Ubiquiti network for use with mDNS and multicast devices and have a basic understanding of the changes that have been Multicast DNS is what is needed to make this work.