Introduction To Priority Mapping Tables - HP V1910 Switch Series User Manual

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.
a device.
Figure 396 Priority mapping process

Introduction to priority mapping tables

The device provides various types of priority mapping table, as listed below:
CoS to DSCP: 802.1p-to-DSCP priority mapping table.

CoS to Queue: 802.1p-to-local priority mapping table.

DSCP to CoS: DSCP-to-802.1p priority mapping table, which is applicable to only IP packets.

DSCP to DSCP: DSCP-to-DSCP priority mapping table, which is applicable to only IP packets.

 DSCP to Queue: DSCP-to-local priority mapping table, which is applicable to only IP packets.
Table 156 through
Table 156 The default CoS to DSCP/CoS to Queue mapping table
Input CoS value
0
1
2
3
4
5
6
7
Table 157 The default DSCP to CoS/DSCP to Queue mapping table
Input DSCP value
0 to 7
8 to 15
Table 157 list the default priority mapping tables.
Local precedence (Queue)
2
0
1
3
4
5
6
7
Local precedence (Queue)
0
1
Figure 396 shows the process of priority mapping on
422
DSCP
0
8
16
24
32
40
48
56
CoS
0
1