As shown in the figure, the APLS LSP is configured in the network and the goal is to establish an LDP session between SWA and SWB, then which of the following statement is correct?

As shown in the figure, the APLS LSP is configured in the network and the goal is to establish an LDP session between SWA and SWB, then which of the following statement is correct?

A . Configured correctly
B. No need to enable MPLS globally
C. No need to enable MPLS on the port
D. The mpls lsr-id of the two devices cannot be configured in the same way

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Answer: D