The mDNS protocol is specified in RFC 6762 and DNS-SD protocol is specified in RFC 6763. There are various implementations of mDNS which include Bonjor, Avahi, Windows etc. The figure depicts tree of conventional DNS and multicast DNS (i.e. mDNS) naming structure.
At the point I noticed I couldn't access my Chromecast with this firewall policy, I found out using tcpdump and Wireshark that it was quite complicated, using mDNS, some other multicast UDP, random high UDP ports, TCP ports 8008 and 8009, etc.
Chromecast es una de las opciones más populares en España ... hasta 100.000 paquetes en ráfagas de alta velocidad cuando va a entrar en modo sleep mediante un método llamado “MDNS multicast ...
Trying out the go-chromecast CLI, I was able to see mDNS requests coming to my home network over OpenVPN (a L2 tunnel using a TAP device bridged using br0 on both ends). I could also see responses being generated, but none of them were seen on the other end.
other mDNS-based services such as ChromeCast across VLANs and subnets for both wired and wireless networks. The SZ100 is preconfigured with common Bonjour service types, making Bonjour service detection automatic. Bonjour Fencing allows administrators to control the physical area in which a given Bonjour-based service is discoverable. This is
-Set up an IP helper policy for mDNS, and had the policy where mDNS broadcasts received on the X0 interface were relayed to the X3:V16 Subnet (also at some point set this policy to send straight to the IP address I had the Chromecast at)-Eventually (after mashing the Cast button about 10 times) the device was discovered and I could cast to it
Pfsense And Rules For Iot Devices With Mdns.
また、CUWN Release 8.2 mDNS Gateway with Chromecast Support & Downloads Feature Deployment Guide - Ciscoの「Chromecast」節によると、ChromecastのIPアドレスを取得する仕組みには、version1とversion2の2つがあり、version2が現在ポピュラーなようだ。
MW3 is a 1200 Mbps dual band distribution mesh WiFi system designed for 100-300 ㎡ houses, bringing you with whole home WiFi coverage, as well as fast and stable internet connection.