Configuring Priority Mapping - 3Com 4200G 12-Port Configuration Manual

Follow these steps to configure a port to trust 802.1p precedence:
To do...
Enter system view
Enter Ethernet port
view
Configure to trust
802.1p precedence
3) Configuring a port to trust DSCP value of traffic
Follow these steps to configure a port to trust DSCP value of traffic:
To do...
Enter system view
Enter Ethernet port
view
Configure to trust
DSCP values
Configuration examples
# Configure trusting port priority on GigabitEthernet 1/0/1 and set the priority of GigabitEthernet 1/0/1 to
7.
<Sysname> system-view
[Sysname] interface GigabitEthernet1/0/1
[Sysname-GigabitEthernet1/0/1] priority 7
# Configure trusting 802.1p precedence on GigabitEthernet 1/0/2.
<Sysname> system-view
[Sysname] interface GigabitEthernet1/0/2
[Sysname-GigabitEthernet1/0/2] priority-trust cos
# Configure trusting DSCP values on GigabitEthernet 1/0/3.
<Sysname> system-view
[Sysname] interface GigabitEthernet1/0/3
[Sysname-GigabitEthernet1/0/3] priority-trust dscp

Configuring Priority Mapping

You can
DSCP-precedence-to-other-precedence mapping tables as required to mark packets with different
priorities.
Configuration prerequisites
The target CoS-precedence-to-other-precedence,
mapping tables have been determined.
Use the command...
system-view
interface interface-type
interface-number
priority-trust cos
Use the command...
system-view
interface interface-type
interface-number
priority-trust dscp
modify the
1-14
—
—
Required
By default, port priority is trusted.
—
—
Required
By default, port priority is trusted.
CoS-precedence-to-other-precedence,
and DSCP-precedence-to-other-precedence
Remarks
Remarks
and