IANA Considerations for Internet Group Management Protocols
RFC 9778, “IANA Considerations for Internet Group Management Protocols”, is a Best Current Practice document published in March 2025 by B. Haberman. It obsoletes RFC 3228. The canonical text is published by the RFC Editor.
Abstract
This document specifies revised IANA considerations for the Internet Group Management Protocol (IGMP) and the Multicast Listener Discovery (MLD) protocol. This document specifies the guidance provided to IANA to manage values associated with various fields within the protocol headers of the group management protocols.
This document obsoletes RFC 3228 and unifies guidelines for IPv4 and IPv6 group management protocols.
What “Best Current Practice” means
Documents the IETF community's recommended operational or procedural practice rather than a protocol specification.
The canonical text of RFC 9778 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
- RFC 9777 Multicast Listener Discovery Version 2 for IPv6
- RFC 9779 Performance Measurement for Segment Routing Networks with the MPLS Data Plane
- RFC 9776 Internet Group Management Protocol, Version 3
- RFC 9780 Bidirectional Forwarding Detection for Multipoint Networks over Point-to-Multipoint MPLS Label Switched Paths
- RFC 9775 IRTF Code of Conduct
- RFC 9781 A Concise Binary Object Representation Tag for Unprotected CBOR Web Token Claims Sets
- RFC 9774 Deprecation of AS_SET and AS_CONFED_SET in BGP
- RFC 9782 Entity Attestation Token Media Types