Operation Manual – QoS-QoS Profile
H3C S3100 Series Ethernet Switches Chapter 1 QoS Configuration
1-9
Trusted priority
type
Description
DSCP precedence
The switch searches for the local precedence
corresponding to the DSCP value of the packet in the
DSCP-to-local precedence mapping table and assigns the
local precedence to the packet.
IP precedence
The switch searches for the local precedence
corresponding to the IP precedence of the packet in the
IP-to-local precedence mapping table and assigns the local
precedence to the packet.
The S3100 series switches provide 802.1p-to-local-precedence,
DSCP-to-local-precedence, and IP-to-local-precedence mapping tables for priority
mapping.
Table 1-6 through Table 1-8 list the default settings of these tables. You can
configure these default priority mapping tables at the CLI. For detailed configuration,
refer to
Configuring Priority Trust Mode.
Table 1-6 CoS-precedence-to-local-precedence mapping table
CoS Local precedence
0 1
1 0
2 0
3 1
4 2
5 2
6 3
7 3
Table 1-7 DSCP-precedence-to-local-precedence mapping table
DSCP Local precedence
0 to 15 0
16 to 31 1
32 to 47 2
48 to 63 3
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