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4 Configuration D-Link Smart Managed Switch User Manual
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Click Apply to set the bandwidth control for the selected ports.
QoS > 802.1p/DSCP/ToS
QoS is an implementation of the IEEE 802.1p standard that allows network administrators to reserve
bandwidth for important functions that require a larger bandwidth or that might have a higher priority, such as
VoIP (voice-over Internet Protocol), web browsing applications, file server applications or video conferencing.
Thus with larger bandwidth, less critical traffic is limited, and therefore excessive bandwidth can be saved.
The following figure displays the status of Quality of Service priority levels of each port, higher priority means
the traffic from this port will be first handled by the switch. For packets that are untagged, the switch will
assign the priority depending on your configuration.
Figure 4.89 – QoS > 802.1p/DSCP/ToS
Select QoS Mode: Specifies the QoS mode to be 802.1p, DSCP or ToS.
Queuing Mechanism:
Strict Priority: Denoting a Strict scheduling will set the highest queue to be emptied first while the
other queues will follow the weighted round-robin scheduling scheme
WRR: Use the weighted round-robin (WRR) algorithm to handle packets in an even distribution in
priority classes of service.
Click Apply for the settings to take effect.
From Port / To Port: Defines the port range which the port packet priorities are defined.
Priority: Defines the priority assigned to the port. The priority range is between 0 and 7 with 0 being
assigned to the lowest priority and 7 assigned to the highest.
Click Apply for the settings to take effect.
Security > Trusted Host
Use Trusted Host function to manage the switch from a remote station. You can enter up to ten designated
management stations networks by defining the IPv4 Address/Netmask or IPv6 Address/Prefix as seen in the
figure below. The first thing after the function is enabled is to add your local host IP address as a trusted host.
Otherwise, you may lose the connection.
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