H3C Technologies H3C SR8800 - Manual (Page 61)

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Configuring the port to trust packet priority for
priority mapping
You can configure the router to trust a particular priority field carried in packets for priority mapping on
a port. On a router supporting trusted priority type configuration, the priority mapping process for
packets is shown in Priority mapping overview .
Configuration procedure
To configure the trusted priority type:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter interface view or
port group view.
• Enter interface view:
interface interface-type
interface-number
• Enter port group view:
port-group manual port-group-name
Use either command.
Settings in interface view are
effective on the current interface.
Settings in port group view are
effective on all ports in the port
group.
3. Configure the trusted
priority type.
qos trust auto N/A
4. Display the trusted
priority type and port
priority of the port.
display qos trust interface
[ interface-type interface-number ] [ |
{ begin | exclude | include }
regular-expression ]
Optional.
Available in any view
Configuration example
Network requirements
Configure the trusted priority type as auto.
Configuration procedure
<Sysname> system-view
[Sysname] interface GigabitEthernet 2/1/1
[Sysname-GigabitEthernet2/1/1] qos trust auto
Displaying and maintaining priority mapping
Task Command Remarks
Display priority mapping table
configuration information.
display qos map-table [ dscp-dscp
| inbound [ up-dp | up-lp | up-up]
| outbound [ up-dp | up-fc | up-lp
| up-rpr ] | color [ green | yellow |
red ] [ up-dot1p | up-dscp | up-lp
| up-exp ] ] [ | { begin | exclude |
include } regular-expression ]
Available in any view