4 Configuration DGS-1210 series Metro Ethernet Managed Switch User Manual
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Figure 4.120 - QoS > CoS Output Scheduling
Class ID: Specify the priority queue for the switch. The value is from 0 to 7.
Weight (1-55): Specify the weight for a CoS. The value is from 1 to 55.
Click Apply to make the configurations 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 4.121 - 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 make the configurations take effect.
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 4.122 - QoS > 802.1p User Priority
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