User Guide

Table Of Contents
129
Port mirroring 12.4
12.4.1
Overview
Port mirroring function forwards a copy of data of one or more mirrored ports to the specified
mirroring port
. The network administrator uses data monitoring devices to monitor traffic, analyze
performance and perform network diagnose.
By default, this function is disabled. Choose More > Port Mirroring, and enable this function, the
following configuration page appears:
Parameter description
Parameter
Description
Port Mirroring
It is used to enable or disable the port mirroring function. The default option is Disable.
Mirroring Port
It indicates the monitoring port. A piece of monitoring software must be installed on the
computer with this port to perform monitoring. The default mirroring port is LAN4.
Mirrored Port
It specifies the monitored ports. After the port mirroring function is enabled, packets of the
mirrored ports are replicated to the mirroring port for monitoring.
12.4.2 Configure port mirroring
Step 1 Choose More > Port Mirroring to access the configuration page.
Step 2 Set Port Mirroring to Enable.
Step 3 Choose Mirroring Port and Mirrored Port as required.
Step 4 Click Save to apply your settings.
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