How to check whether MPLS is enabled on an AR interface

Run the display mpls interface [ interface-type <interface-number> ] [ verbose ] command to check information about MPLS-enabled interfaces.
[Huawei] display mpls interface
Interface  Status  TE Attr  LSP Count  CRLSP Count Effective MTU
GE1/0/0    Up       Dis        2                   0                        1500
Note:
- Interface: indicates the type and number of the interface enabled with MPLS.
- Status: indicates the status of the interface, which is Up or Down.
- TE Attr: indicates whether the TE attribute is enabled. Dis indicates that the TE attribute is disabled, and En indicates that the TE attribute is enabled.
- LSP Count: indicates the number of established LSPs on the interface.
- CRLSP Count: indicates the number of established CR-LSPs on the interface.
- Effective MTU: indicates the MTU used for forwarding MPLS packets.

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