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priorities 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.
The priority levels recommended in the IEEE 802.1p standard for various
network applications are shown in the following table. However, you can
map the priority levels to the switch’s output queues in any way that
benefits application traffic for your own network.
Command Attributes
• Priority – CoS value. (Range: 0-7, where 7 is the highest priority)
• Traffic Class
11
– Output queue buffer. (Range: 0-3, where 3 is the
highest CoS priority queue)
Table 3-12. Mapping CoS Values to Egress Queues
Queue
0123
Priority
1,2 0,3 4,5 6,7
Table 3-13. CoS Priority Levels
Priority Level Traffic Type
1Background
2(Spare)
0 (default) Best Effort
3 Excellent Effort
4 Controlled Load
5 Video, less than 100 milliseconds latency and jitter
6 Voice, less than 10 milliseconds latency and jitter
7 Network Control
11.
CLI shows Queue ID.
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