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L

L
label

In MPLS, 20-bit unsigned integer in the range 0 through 1,048,575 used to identify a packet traveling along an LSP.



label-switched path (LSP)

Sequence of routers that cooperatively perform MPLS operations for a packet stream. The first router in an LSP is called the ingress router, and the last router in the path is called the egress router. An LSP is a point-to-point, half-duplex connection from the ingress router to the egress router. (The ingress and egress routers cannot be the same router.)




  

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