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RFC 9961
Title: MPLS Segment Routing Point-to-Multipoint (P2MP)
Policy Ping
Author: H. Bidgoli, Ed.,
Z. Ali,
Z. Zhang,
A. Budhiraja,
D. Voyer
Status: Standards Track
Stream: IETF
Date: April 2026
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 9
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-pim-p2mp-policy-ping-25.txt
URL: https://www.rfc-editor.org/info/rfc9961
DOI: 10.17487/RFC9961
Segment Routing (SR) Point-to-Multipoint (P2MP) Policies are used to
define and manage explicit P2MP paths within a network. These
policies are typically calculated via a controller-based mechanism
and installed via, e.g., a Path Computation Element (PCE). In other
cases, these policies can be installed using the Network
Configuration Protocol (NETCONF) / YANG or a Command Line Interface
(CLI). They are used to steer Multicast traffic along optimized paths
from a Root to a set of Leaf routers.
This document defines extensions to ping and traceroute mechanisms
for an SR P2MP Policy with MPLS encapsulation to provide Operations,
Administration, and Maintenance (OAM) capabilities. The extensions
enable operators to verify connectivity, diagnose failures, and
troubleshoot forwarding issues within SR P2MP Policy Multicast trees.
By introducing new mechanisms for detecting failures and validating
path integrity, this document enhances the operational robustness of
P2MP Multicast deployments. Additionally, it ensures that existing
MPLS and SR-based OAM tools can be effectively applied to networks
utilizing SR P2MP Policies.
This document is a product of the Protocols for IP Multicast Working Group of
the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
memo is unlimited.
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