As shown in the figure, if MPLS LSP is configured in the network and a local LDP session is implemented between SWA and SWB, which of the following statement is correct?

As shown in the figure, if MPLS LSP is configured in the network and a local LDP session is implemented between SWA and SWB, which of the following statement is correct?

A . The configuration is correct
B . The Mpls lsr-id of two devices cannot be configured to be the same
C . No need to enable MPLS globally
D . No need to enable MPLS on the port

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Answer: B