R0106-HP MSR Router Series ACL and QoS Configuration Guide(V7)

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You can configure the device to trust a particular priority field carried in packets for priority mapping on
ports or globally.
When you configure the trusted packet priority type on an interface, use the following available
keywords:
• dot1p—Uses the 802.1p priority of received packets for mapping.
• dscp—Uses the DSCP precedence of received IP packets for mapping.
To configure the trusted packet priority type on an interface:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter interface view.
interface interface-type
interface-number
N/A
3. Configure the trusted
packet priority type.
qos trust { dot1p | dscp } By default, the port priority is trusted.
Changing the port priority of an interface
If an interface does not trust any packet priority, the device uses its port priority to look for the set of
priority parameters for the incoming packets. By changing port priority, you can prioritize traffic received
on different interfaces.
To change the port priority of an interface:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter interface view.
interface interface-type interface-number N/A
3. Set the port priority of the
interface.
qos priority priority-value The default setting is 0.
Displaying and maintaining priority mapping
Execute display commands in any view.
Task Command
Display priority map configuration. display qos map-table [ dot1p-lp | dscp-lp ]
Display the trusted packet priority type
on a port.
display qos trust interface [ interface-type interface-number ]