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Configuring QoS Class of Service Configuration
User Guide 639
Queue Select the TC queue for the desired 802.1p priority. The packets with the desired
802.1p priority will be put in the corresponding queue.
2) (Optional) In the 802.1p Remap section, configure the 802.1p to 802.1p mappings and
click Apply.
802.1p Priority Displays the number of 802.1p priority. In QoS, 802.1p priority is used to
represent class of service. IEEE 802.1p standard defines three bits in 802.1Q tag
as PRI filed. The PRI values are called 802.1p priority and used to represent the
priority of the layer 2 packets. This function requires packets with VLAN tags.
Remap Select the number of 802.1p priority to which the original 802.1p priority will be
remapped. 802.1p Remap is used to modify the 802.1p priority of the ingress
packets. When the switch detects the packets with desired 802.1p priority, it will
modify the value of 802.1p priority according to the map.
Note:
In Trust 802.1p mode, the untagged packets will be added an 802.1p priority based on the port to
802.1p mapping and will be forwarded according to the 802.1p to queue mapping.
2.1.3 Configuring DSCP Priority
â– Configuring the Trust Mode
Choose the menu QoS > Class of Service > Port Priority to load the following page.
Figure 2-6 Configuring the Trust Mode
Follow these steps to configure the trust mode:
1) Select the desired ports and set the trust mode as Trust DSCP.
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