Trunk Setting; Mirror Setting - D-Link DGS-1224T Manual

Trunk Setting

The Trunk function enables to cascade two devices with a double
times bandwidth (maximum up to 24Gbps in full duplex mode).
There are three selections in each group of trunk setting as follow:
Group 1: Selection 1(disable), Selection 2(port 1, 2), Selection 3(port 1, 2, 3, 4).
Group 2: Selection 1(disable), Selection 2(port9, 10), Selection 3(port 9, 10, 11, 12)
Group32: Selection 1(disable), Selection 2(port17, 18), Selection 3(port 17, 18, 19, 20)
.
Figure 21. Trunk Settings
Be sure that the selected trunk setting port must connect to the device
with a same VLAN group.

Mirror Setting

Port Mirroring is a method of monitoring network traffic that forwards
a copy of each incoming and/or outgoing 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 selection of the sniffer mode is as follow:
RX (receive) mode: this mode will duplicate the data that send to the
source and forward to the sniffer port.
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