Planet Networking & Communication SGSD-1022, Руководство пользователя, Страница: 228 / 688

User’s Manual of SGSD-1022 / SGSD-1022P
SGSW-2840 / SGSW-2840P
228
4.10.1.2 Traffic Classes
IEEE 802.1p CoS Priority
This Managed Switch processes Class of Service (CoS) priority tagged traffic by using four egress queues for each port, with
service schedules based on Weighted Round Robin (WRR) . Up to eight separate traffic priority levels are defined in IEEE
802.1p. The default priority levels are assigned according to recommendations in the IEEE 802.1p standard as shown in the
following table:
802.1p Priority 0 1 2 3 4 5 6 7
Queue 1 0 0 1 2 2 3 3
Table 4-10-1 Mapping CoS Values to Egress Queues
Command Sequence –
1. Mark an interface and click Select to display the current mapping of CoS values to output queues.
2. Assign priorities to the traffic classes (i.e., output queues) for the selected interface, then click Apply .
Figure 4-10-2 Traffic Classes page screenshot
The page includes the following fields:
Object Description
•
Interface Selects the port or trunk interface settings to display and modify.
•
Priority
CoS value.