Tasks at a glance
(Optional.)
(Required.) Perform one of the following tasks:
•
Configuring an interface to trust packet priority for priority mapping
•
Changing the port priority of an interface
Configuring a priority map
Step
1.
Enter system view.
2.
Enter priority map
view.
3.
Configure mappings
for the priority map.
Configuring an interface to trust packet priority for
priority mapping
You can configure the switch to trust a particular priority field carried in packets for priority mapping
on interfaces.
When you configure the following 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.
•
none—Uses the port priority as the 802.1p priority for mapping.
To configure the trusted packet priority type on an interface:
Step
1.
Enter system view.
2.
Enter interface view.
3.
Configure the trusted
packet priority type.
Configuring a priority map
Command
system-view
qos map-table { dot1p-dp | dot1p-exp | dot1p-lp |
dscp-dot1p | dscp-dp | dscp-dscp | exp-dot1p |
exp-dp }
import import-value-list export export-value
Command
system-view
interface
interface-number
•
•
•
interface-type
Configure the interface to
trust the DSCP precedence.
qos trust dscp
Configure the interface to
trust the 802.1p priority of
received
packets.
qos trust dot1p
Configure the interface not
to trust any packet priority.
27
Remarks
N/A
N/A
By default, the default
priority maps are used.
For more information,
see "Appendixes."
Newly
mappings overwrite the
old ones.
Remarks
N/A
N/A
Use one of these commands.
By default, an interface does not trust
any packet priority.
configured
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