Qos > 802.1P Default Priority; Qos > 802.1P User Priority; Qos > Dscp Priority Settings - D-Link DGS-1210/ME User Manual
Metro ethernet switch series
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- Reference manual (465 pages)
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4 Configuration
DGS-1210 series Metro Ethernet Managed Switch User Manual
Click Apply to let your changes take effect.
QoS > 802.1p Default Priority
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.
Figure 4.101 - QoS > 802.1p Default Priority
From Port / To Port: A consecutive group of ports may be configured starting with the selected port.
Priority: Defines the priority assigned to the port. The priority are 0~7.
Click Apply to implement changes made.
QoS > 802.1p User Priority
When using 802.1p priority mechanism, the packet is examined for the presence of a valid 802.1p priority tag.
If the tag is present, the packet is assigned to a programmable egress queue based on the value of the
tagged priority. The tagged priority can be designated to any of the available queues.
The Switch allows the assignment of a class of service to each of the 802.1p priorities.
Figure 4.102 - QoS > 802.1p User Priority
Once the user had assigned a priority to the port groups on the Switch, you can then assign this Class to
each of the four levels of 802.1p priorities. Click Apply to set your changes.
QoS > DSCP Priority Settings
When using the DSCP priority mechanism, the packet is classified based on the DSCP field in the IP header.
If the tag is present, the packet is assigned to a programmable egress queue based on the value of the
tagged priority. The tagged priority can be designated to any of the available queues. When a packet is
received containing this DSCP tag, it will be mapped to the CoS queue configured here. These settings will
only take effect if at least one of the priority settings per port is configured for DSCP.When DSCP is set to
enable, TOS cannot be used, and when TOS is set to enable, DSCP cannot be used.
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