TP-Link T1600G-18TS Configuration Manual page 106

Managing Physical Interfaces
Figure 3-2 Configuring Port Mirror
Follow these steps to configure Port Mirror:
1) In the Destination Port section, specify a monitoring port for the mirror session, and
click Apply.
2) In the Source Port section, select one or multiple monitored ports for configuration.
Then set the parameters and click Apply.
UNIT:1/LAGS
Ingress
Egress
Click 1 to select physical ports. Click LAGS to select LAGs.
With this option enabled, the packets received by the monitored port will be
copied to the monitoring port. By default, it is disabled.
With this option enabled, the packets sent by the monitored port will be copied to
the monitoring port. By default, it is disabled.
Port Mirror Configuration
Configuration Guide 83