Filtered by topic: Computer Networking Clear ✕
… Before creating VLANs, it’s worth sorting out mDNS and multicast so that device discovery just works across VLANs. I realized that smart home integration, casting, device discovery, and printing — all depend on that. …
… But smart devices don’t roam; they drop off. You can set up a dedicated 2.4 GHz SSID for smart devices . mDNS discovery fails without warning When your smart devices keep disappearing from your dashboard, your router might be dropping the multicast packets . …
… After troubleshooting various devices to see if the issue was local, I ended up checking my firewall rules, and that's when it all made sense. I blocked access to a server on the network, but allowed parts of that same device through when testing something. …