D-Link DGS-1224T - Qos > 802.1 P Default Priority; Security > Safeguard Engine

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None: Turns off the mirroring of the port.
QoS > 802.1p Default Priority
This feature displays the status Quality of Service priority levels of
each port, and for ports that are Untagged, the priority can be adjusted.
Figure 39 – QoS > 802.1p Default Priority
Security > Safeguard Engine
By default is Enabled, D-Link’s Safeguard Engine is a robust and
innovative technology that automatically throttles the impact of packet
flooding into the switch's CPU. This function helps protect the Web-
Smart Switch from being interrupted by malicious viruses or worm
attacks.