HP FlexNetwork NJ5000, Руководство пользователя

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407
•
Trust port priority
—The device assigns a priority to a packet by mapping the priority of the
receiving port.
You can select one priority trust mode as needed. Figure 445 shows the process of priority mapping
on a device.
Figure 445 Priority mapping process
Introduction to priority mapping tables
The device provides the following types of priority mapping tables:
•
CoS to Queue
—802.1p--to-local mapping table.
•
DSCP to Queue
—DSCP-to-local mapping table, which applies to only IP packets.
Table 144 through Table 145 list the default priority mapping tables.
Table 144 Default CoS to Queue mapping table
Input CoS value Local precedence (Queue)
0 2
1 0
2 1
3 3
4 4
5 5
6 6
7 7
Table 145 Default DSCP to Queue mapping table
Input DSCP value Local precedence (Queue)
0 to 7 0
8 to 15 1
16 to 23 2
24 to 31 3
32 to 39 4