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DES-7200 Configuration Guide Chapter 3 MPLS QOS
Configuration
3-18
DES-7200# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
DES-7200(config)# mpls copy experimental
DES-7200(config)# end
DES-7200# show mls qos mpls
Default mpls copy exp：enable
Default mpls propagate-exp none：disable
DES-7200#
Note
The user can enable MPLS EXP copying on P device to ensure
that MPLS QoS information is propagated over MPLS network.
MPLS EXP copying only applies to PHP and SWAP behaviors; it
doesn't apply to POP or PUSH behavior.
3.3.8 Configuring MPLS
EXP not to propagate
to inner label
By executing the following steps, when configuring to remove the label, the EXP
value in the original incoming topmost label won't be copied to the second
topmost label.
Command Function
DES-7200# configure terminal
Enter configuration mode.
DES-7200(config)# mpls
propagate-experimental none
While disposing of the label, the MPLS
EXP in the topmost label won't be
propagated to the second topmost label.
To restore the copying of EXP bits in the incoming topmost label to the second
topmost label, execute the "no mpls propagate-experimental none"
command.
Example: While disposing of the label, the MPLS EXP won't be copied to the
inner label.
DES-7200# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
DES-7200(config)# mpls propagate-experimental none
DES-7200(config)# end
DES-7200# show mls qos mpls