User's Manual

Ethernet configuration
32
FIGURE 28. IP priority
5.7 VLAN PRI priority
Go to Configuration > Ethernet > QoS > Vlan PRI Priority page to set the VLAN PRI Priority.
When VLAN priority field criterion is enabled, it is possible to associate an output priority to each one
of VLAN priority field values. Classification for single tagged frames (802.1Q compliant) is based on
VLAN Priority. For untagged frame, the VLAN priority is set to 0. Classification for Q-in-Q frames
(both 802.1ad compliant and proprietary formats) is based on outer VLAN Priority. The eight default
priority values for the VLAN priority fields can be configured.
FIGURE 29. VLAN PRI priority
5.8 Port priority
Go to Configuration > Ethernet > QoS > Port Priority page to set the Port Priority. Port priority
field criterion is enabled by default, it cannot be disabled. It is used to address the untagged frames
which are not IPv4 frames or IPv4 frames but not match the DSCP and 802.1p mapping in IPv4
DSCP criteria. For untagged frame, the VLAN priority is set to 0 by default. The value for Port Prior-
ity can be set in range of 0-7.
FIGURE 30. Port priority
draft