HP 830 Series - Introduction to Priority Mapping Tables

476
Figure 485 Priority mapping process
Introduction to priority mapping tables
The device provides the following types of priority mapping tables:
• CoS to DSCP—802.1p--to-DSCP mapping table.
• CoS to Queue—802.1p--to-local mapping table.
• DSCP to CoS—DSCP-to-802.1p mapping table, which applies to only IP packets.
• DSCP to DSCP—DSCP-to-DSCP mapping table, which applies to only IP packets.
• DSCP to Queue—DSCP-to-local mapping table, which applies to only IP packets.
Table 146 thr
ough Table 147 list the default priority mapping tables.
Table 146 The default CoS to DSCP/CoS to Queue mapping table
In
p
ut CoS value Local
p
recedence (Queue)
DSCP
0 2 0
1 0 8
2 1 16
3 3 24
4 4 32
5 5 40
6 6 48
7 7 56
Table 147 The default DSCP to CoS/DSCP to Queue mapping table
In
p
ut DSCP value
Local
p
recedence (Queue)
CoS
0 to 7 0 0
8 to 15 1 1
16 to 23 2 2
24 to 31 3 3
32 to 39 4 4