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DES-7200 Configuration Guide Chapter 3 MPLS QOS
Configuration
3-17
To restore to the default value, execute the "no mls qos service cos-exp"
command.
Example: Apply CoS-to-EXP Map Group 2 to interface Gigabitethernet 1/1.
DES-7200# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
DES-7200(config)# interface gigabitethernet 1/1
DES-7200(config-if)# mls qos service cos-exp 2
DES-7200(config-if)# end
DES-7200# show mls qos interface gigabitethernet 1/1
Interface: GigabitEthernet 1/1
Attached input policy-map:
Attached output policy-map:
Default trust: none
Default COS: 0
Attached mpls cos-exp group：2
DES-7200#
Note
When MPLS EXP copying is not enabled, the CoS-to-EXP Map
Group attached to the interface applies to SWAP and PUSH
labels.
When MPLS EXP copying is enabled, the CoS-to-EXP Map
Group attached to the interface only applies to PUSH label.
3.3.7 Configuring MPLS
EXP copying
The user can execute the following steps to enable MPLS EXP copying. After
enabling MPLS copying, the EXP value in the incoming topmost label will be
copied to the outgoing label to be exchanged. When the ingress label is
removed, the EXP value in the original incoming topmost label will be copied to
the second topmost label.
Command Function
DES-7200# configure terminal
Enter configuration mode.
DES-7200(config)# mpls copy
experimental
Enable MPLS EXP copying.
To disable MPLS EXP copying, execute the "no mpls copy experimental"
command.
Example: Enable MPLS EXP copying.