RFC 2236 · PROPOSED STANDARD · 1997
WED · 29 JUL 2026
Internet Group Management Protocol, Version 2
Overview
RFC 2236, “Internet Group Management Protocol, Version 2”, is a Proposed Standard document published in November 1997 by W. Fenner. It updates RFC 1112. It has since been updated by RFC 3376, RFC 9776. The canonical text is published by the RFC Editor.
Abstract
This memo documents IGMPv2, used by IP hosts to report their multicast group memberships to routers. It updates STD 5, RFC 1112. [STANDARDS-TRACK]
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.
Read this RFC
The canonical text of RFC 2236 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1997
- RFC 2235 Hobbes' Internet Timeline
- RFC 2237 Japanese Character Encoding for Internet Messages
- RFC 2234 Augmented BNF for Syntax Specifications: ABNF
- RFC 2238 Definitions of Managed Objects for HPR using SMIv2
- RFC 2233 The Interfaces Group MIB using SMIv2
- RFC 2239 Definitions of Managed Objects for IEEE 802.3 Medium Attachment Units using SMIv2
- RFC 2232 Definitions of Managed Objects for DLUR using SMIv2
- RFC 2240 A Legal Basis for Domain Name Allocation