H3C Technologies H3C S7500E Series Switches - Manual (Page 48)

4-5
Configuring Priority Mapping
Configuring a Priority Mapping Table
Follow these steps to configure an uncolored priority mapping table:
To do… Use the command… Remarks
Enter system view system-view —
Enter priority mapping table view
qos map-table { dot1p-dp |
dot1p-exp | dot1p-lp |
dscp-dot1p | dscp-dp |
dscp-dscp | exp-dot1p | exp-dp }
Required
Configure the priority mapping
table
import import-value-list export
export-value
Required
Newly configured mappings
overwrite the old ones.
Display the configuration of the
priority mapping table
display qos map-table
[ dot1p-dp | dot1p-exp | dot1p-lp
| dscp-dot1p | dscp-dp |
dscp-dscp | exp-dot1p | exp-dp ]
Optional
Available in any view
The 802.1p-to-EXP priority mapping table (dot1p-exp) and the EXP-to-802.1p priority mapping table
(exp-dot1p) are available only for the EB and SD cards.
Configuring the Priority Trust Mode on a Port
Follow these steps to configure the trusted packet priority type on an interface/port group:
To do… Use the command… Remarks
Enter system view system-view —
Enter
interface
view
interface interface-type
interface-number
Enter
interface
view or port
group view
Enter port
group view
port-group manual port-group-name
Use either command
Settings in interface view take
effect on the current interface;
settings in port group view take
effect on all ports in the port group.
Configure
the priority
trust mode
Trust the
DSCP
priority in
packets
qos trust dscp
Use either command
By default, the device trusts the
802.1p priority in packets.