Without knowing what prompted you to reboot the router, who knows?
Probably because something happened and you decided to reboot the router.
It could be that something else needed fixing.
'What goes wrong? What are you doing in response? What happens then?
You can help people to help you by providing the information suggested in this forum's header:
Subject (Include model number and brief summary) Model (Recommended - Helps the community give the best answers) Body (Include additional detail including model version, firmware, OS and environment where relevant.)
