If the device was previously connected, your router might remember it.
To help you get your devices up and running smoothly, let me know: What specific are you trying to scan?
Another npm package that creates a local LAN web portal to discover ZKTeco devices, view users, and access attendance data without port forwarding. zkteco ip scanner
Windows Firewall or third-party antivirus software frequently blocks port 4370 . Temporarily disable your local firewall or add an explicit inbound/outbound rule for TCP/UDP Port 4370.
The computer and the ZKTeco device are on different IP subnets (e.g., PC is 192.168.1.X , Device is default 192.168.2.X ). If the device was previously connected, your router
The router or network switch has "Client Isolation" enabled, preventing local devices from seeing each other.
ZKBio Time Mobile APP_iOS. ... The ZKTeco ZKBio Time APP is designed for users to clock in & out from anywhere using their Mobile. Report Download The router or network switch has "Client Isolation"
Select the discovered device from the list. You can now modify:
This is the closest equivalent to a dedicated IP scanner. It is a lightweight, standalone Windows utility designed specifically to scan the local network for ZKTeco time attendance and access control terminals.
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The Critical Role of IP Scanning in ZKTeco Device Management