Network troubleshooting
Finding a command station that has moved, and keeping it findable.
Network troubleshooting for DCC-EX
Why a WiFi command station stops answering after a router reboot, how to find it again, and how to stop it happening a third time.
Finding your DCC-EX command station's IP with avahi-browse
Your command station changed address after a DHCP lease change. Here's how to find it in about ten seconds using mDNS discovery.