3Com 4510G - Configuring Priority Mapping; Configuring a Priority Mapping Table; Configuring the Priority Trust Mode on a Port

3-4
Task Remarks
Configuring a Priority Mapping Table Optional
Configuring the Priority Trust Mode on a Port Optional
Configuring the Port Priority of a Port Optional
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-lp | dscp-dot1p |
dscp-dp | dscp-dscp }
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-lp |
dscp-dot1p | dscp-dp |
dscp-dscp ]
Optional
Available in any view
You cannot configure mapping any DSCP value to drop precedence 1.
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
802.1p or
DSCP
priority in
packets
qos trust { dot1p | dscp }
Use either command
By default, the device trusts the
port priority.