rfc9856v3.txt   rfc9856.txt 
Internet Engineering Task Force (IETF) J. Rabadan, Ed. Internet Engineering Task Force (IETF) J. Rabadan, Ed.
Request for Comments: 9856 J. Kotalwar Request for Comments: 9856 J. Kotalwar
Category: Standards Track S. Sathappan Category: Standards Track S. Sathappan
ISSN: 2070-1721 Nokia ISSN: 2070-1721 Nokia
Z. Zhang Z. Zhang
W. Lin W. Lin
Juniper Juniper
August 2025 September 2025
Multicast Source Redundancy in EVPNs Multicast Source Redundancy in EVPNs
Abstract Abstract
In Ethernet Virtual Private Networks (EVPNs), IP multicast traffic In Ethernet Virtual Private Networks (EVPNs), IP multicast traffic
replication and delivery play a crucial role in enabling efficient replication and delivery play a crucial role in enabling efficient
and scalable Layer 2 and Layer 3 services. A common deployment and scalable Layer 2 and Layer 3 services. A common deployment
scenario involves redundant multicast sources that ensure high scenario involves redundant multicast sources that ensure high
availability and resiliency. However, the presence of redundant availability and resiliency. However, the presence of redundant
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