Tenda G3 User Manual page 31

Device Management
administrator may perform network monitoring and troubleshooting using these detected data.
Topological graph for port mirroring:
This device supports monitoring communication of other ports (mirrored ports) through the LAN0 port (mirroring
port). Click 『Network』 > 『 Port Mirroring』 to go to the configuration page. The port mirroring function is disabled
by default.
Parameter description in the page:
Parameter Description
Port
Enable/Disable the port mirroring function. The default is Disable.
Mirroring
Mirroring Monitoring port. Clients under this port must be installed with monitoring software.
port The default is LAN0 and cannot be changed.
Mirrored Mirrored port. After the port mirroring function is enabled, packets of a mirrored
port port will be automatically copied to the a mirroring port.
Example of port mirroring

Example: An enterprise purchases a G3 enterprise router to establish a network. Recently, the network in the
company is abnormal so that Internet access often fails. The port mirroring function can be used to capture
WAN and LAN port data for analysis. Monitoring software is installed on the computer under LAN0. Other
ports are set to mirrored ports.
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