To delete an interface from the MPLS configuration, the interface must be shut down first.
Use the following CLI syntax to delete an interface from the MPLS configuration:
mpls
— [no] interface ip-int-name
— shutdown
ALA-1>config>router>if-attr# info
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admin-group "green" value 15
admin-group "yellow" value 20
admin-group "red" value 25
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A:ALA-1>config>router>mpls# info
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...
interface "system"
exit
no shutdown
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A:ALA-1>config>router>mpls#