It looks like you’re referencing a URL or path: http v723install . That’s not a standard web address — maybe it’s a typo or shorthand for something like http://v723install or part of an internal/development server URL.
curl -v http://your-server/v723install/setup.sh http v723install
Open a web browser and enter http://v723install or http://192.168.1.1 in the address bar . It looks like you’re referencing a URL or
address becomes unreachable because the camera stops broadcasting its own network and joins yours. Brinks Home Troubleshooting the "http v723install" Connection If you are unable to load the page: ADC-V723 Outdoor Camera Guide - Brinks Home http v723install