I have a number of routers - physical and virtual (x86, not CHR), and every few days one of them will stop responding to Winbox or The Dude. I can still SSH in, and routing etc keeps working, but just can't connect via The Dude or Winbox.

Most of my devices are running 6.38 but one is a CCR1009 running 6.38.5 and is a Dude server. It's happened to a number of different devices at different times. A reboot fixes the issue, but it's becoming a problem when The Dude shows an entire site down because the agent is unavailable and I can't reboot a client's router in the middle of the day.

I'm not really sure where to start troubleshooting. I've tried clearing connections to the Winbox port with no success. Any ideas?