RFC 5283

LDP Extension for Inter-Area Label Switched Paths (LSPs), July 2008

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B. Decraene
JL. Le Roux
I. Minei
mpls (rtg)

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DOI:  https://doi.org/10.17487/RFC5283

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To facilitate the establishment of Label Switched Paths (LSPs) that would span multiple IGP areas in a given Autonomous System (AS), this document describes a new optional Longest-Match Label Mapping Procedure for the Label Distribution Protocol (LDP).

This procedure allows the use of a label if the Forwarding Equivalence Class (FEC) Element matches an entry in the Routing Information Base (RIB). Matching is defined by an IP longest-match search and does not mandate an exact match. [STANDARDS-TRACK]

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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