The following root-cause problem is diagnosed for LSP:
Down:
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For a TE tunnel, the LSP is operationally down because it failed to establish one or more TE LSPs.
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For a TE LSP or subLSP, the LSP is operationally down because one of its LSP hops has failed.
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For an LDP LSP, the LSP is operationally down because the LSP outsegment of the LSP’s source device has failed.