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NP2500 24-Port 10/100 PoE + 2-Port 10/100/1000 WebSMART Switch User Guide 29
YML842 Rev1
Mirror Setting
Port Mirroring is a method of monitoring network traffic that forwards a copy of each incoming and/or outgo-
ing packet from one port of a network switch to another port where the packet can be studied. It enables the
manager to keep close track of switch performance and alter it if necessary.
Configuring the port mirroring by assigning a source port from which to copy all packets and a sniffer port
where those packets will be sent.
The selections of the sniffer mode are as follows:
TX (transmit) mode:
This mode will duplicate the data transmitted from the source port and
forward it to the sniffer port.
RX (receive) mode:
This mode will duplicate the data sent to the source and forward it to the
sniffer port.
Both modes:
(transmit and receive) This mode will duplicate both the data transmitted
from and data sent to the source port, then it will forward the data to the
sniffer port.
Figure 24. Mirror Setting.