Propagation of ARP/ND Flags in an Ethernet Virtual Private Network
RFC 9047, “Propagation of ARP/ND Flags in an Ethernet Virtual Private Network”, is a Proposed Standard document published in June 2021 by J. Rabadan, S. Sathappan, K. Nagaraj, W. Lin. The canonical text is published by the RFC Editor.
Abstract
This document defines an Extended Community that is advertised along with an Ethernet Virtual Private Network (EVPN) Media Access Control (MAC) / IP Advertisement route and carries information relevant to the Address Resolution Protocol (ARP) / Neighbor Discovery (ND) resolution so that an EVPN Provider Edge (PE) implementing a proxy-ARP/ND function in broadcast domains (BDs) or an ARP/ND function on Integrated Routing and Bridging (IRB) interfaces can reply to ARP Requests or Neighbor Solicitation (NS) messages with the correct information.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 9047 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
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