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4.12 Quality of Service
QoS Configuration Description
Port Port number
802.1p 802.1p priority classification
Enable - set to enable this classification to the port for priority-tagged and
VLAN-tagged packets
Disable - 802.1p classification is not applied to the port
DSCP DSCP classification
Enable - set to enable DSCP classification to the port for IP packets
Disable - DSCP classification is not applied to the port
Port Priority Port default priority class, it is used as a port-based QoS mode when
802.1p and DSCP classifications are disabled. It is also used as default
priority class for the received packet when both 802.1p and DSCP classifi-
cation failed in classification.
Class 3 ~ Class 0 - priority class
[802.1p Mapping] Click to configure 802.1p mapping tables.
[DSCP Mapping] Click to configure DSCP mapping table.
[Service Policy] Click to configure per port egress service policy mode.
[Apply] Click to apply the configuration change
[Refresh] Click to refresh current configuration
Note:
802.1p classification is superior over DSCP classification if both are enabled. That means if a
received packet is classified successfully in 802.1p classification, the classified priority class is
used directly for the packet and the result of DSCP classification is ignored.