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draft-ietf-mpls-p2mp-bfd-11 - Bidirectional Forwarding Detection (BFD) for Multipoint Networks over Point-to-Multi-Point MPLS Label Switched Path (LSP)

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IETF - Internet Engineering Task Force

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Bidirectional Forwarding Detection (BFD) for Multipoint Networks over Point-to-Multi-Point MPLS Label Switched Path (LSP)

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https://datatracker.ietf.org/doc/draft-ietf-mpls-p2mp-bfd/11/

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IETF Datatracker

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This document describes procedures for using Bidirectional Forwarding Detection (BFD) for multipoint networks to detect data plane failures in Multiprotocol Label Switching (MPLS) point-to-multipoint Label Switched Paths (LSPs) and Segment Routing (SR) point-to-multipoint policies with SR over MPLS data plane. Furthermore, this document also updates RFC 8562 and recommends the use of an IPv6 address from the Dummy IPv6 range TBA2/64 (Section 7.1) and discourages the use of an IPv4 loopback address mapped to IPv6. It also describes the applicability of LSP Ping, as in-band, and the control plane, as out-band, solutions to bootstrap a BFD session. It also describes the behavior of the active tail for head notification.

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