Before you blame the switch, note: which users, which floor, wired vs Wi-Fi, and whether the internet light on the router/firewall is up. That triage saves a wasted visit from Sector 63 to Sector 18.
What good network support looks like
- A diagram, even a simple one
- Admin access that is not a shared Facebook password in a WhatsApp group
- Change windows for firewall rules
- Guest Wi-Fi isolated from finance VLANs
GirjaSoft’s service page: networking services in Noida. Security overlap: firewall practices.