(Analysis and solution significantly aided by ChatGPT) After an upgrade of my pfSense from 2.7.2 to 2.8.0, the firewall started crashing about once every couple of days with a kernel panic. After updating to 2.8.1, the problem persisted. The Problem
Configure pfSense for Chromecast Across Subnets/VLANs
Chromecast devices are discoverable on the network via the mDNS protocol and that works well when all devices are on the same network. Things start to break down though if the Chromecast devices and the clients that would like to