User manual
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RX (receive) mode: Duplicates the data that gets sent to the source 
and forwards it to the Target Port. 
Both (transmit and receive) mode: Duplicate both the data 
transmitted from and data sent to the source port, and forwards all the 
data to the assigned Target Port. 
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 packets that are untagged, the switch will assign the 
priority in the tag depending on your configuration. 
Figure 378 – QoS > 802.1p Default Priority 
Security > Safeguard Engine 
D-Link’s  Safeguard Engine is a robust and innovative technology 
that automatically throttles the impact of packet flooding into the 










