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Network Working Group Request for Comments: 2375 Category: Informational

R. Hinden Ipsilon Networks S. Deering Cisco July 1998

IPv6 Multicast Address Assignments Status of this Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (1998). 1.0 Introduction This document defines the initial assignment of IPv6 multicast addresses. It is based on the "IP Version 6 Addressing Architecture" [ADDARCH] and current IPv4 multicast address assignment found in . It adapts the IPv4 assignments that are relevant to IPv6 assignments. IPv4 assignments that were not relevant were not converted into IPv6 assignments. Comments are solicited on this conversion. All other IPv6 multicast addresses are reserved. Sections 2 and 3 specify reserved and preassigned IPv6 multicast addresses. [ADDRARCH] defines rules for assigning new IPv6 multicast addresses. The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in [RFC 2119]. 2. Fixed Scope Multicast Addresses These permanently assigned multicast addresses are valid over a specified scope value. All Rights Reserved.

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2.1 Node-Local Scope FF01:0:0:0:0:0:0:1 FF01:0:0:0:0:0:0:2 2.2 Link-Local Scope FF02:0:0:0:0:0:0:1 FF02:0:0:0:0:0:0:2 FF02:0:0:0:0:0:0:3 FF02:0:0:0:0:0:0:4 FF02:0:0:0:0:0:0:5 FF02:0:0:0:0:0:0:6 FF02:0:0:0:0:0:0:7 FF02:0:0:0:0:0:0:8 FF02:0:0:0:0:0:0:9 FF02:0:0:0:0:0:0:A FF02:0:0:0:0:0:0:B FF02:0:0:0:0:0:0:D FF02:0:0:0:0:0:0:E FF02:0:0:0:0:0:1:1 FF02:0:0:0:0:0:1:2 All Nodes Address All Routers Address Unassigned DVMRP Routers OSPFIGP OSPFIGP Designated Routers ST Routers ST Hosts RIP Routers EIGRP Routers Mobile-Agents All PIM Routers RSVP-ENCAPSULATION Link Name All-dhcp-agents Solicited-Node Address [ADDARCH] [ADDARCH] [JBP] [RFC1075,JBP] [RFC2328,Moy] [RFC2328,Moy] [RFC1190,KS14] [RFC1190,KS14] [RFC2080] [Farinacci] [Bill Simpson] [Farinacci] [Braden] [Harrington] [Bound,Perkins] [ADDARCH] All Nodes Address All Routers Address [ADDARCH] [ADDARCH]

FF02:0:0:0:0:1:FFXX:XXXX 2.3 Site-Local Scope FF05:0:0:0:0:0:0:2 FF05:0:0:0:0:0:1:3 FF05:0:0:0:0:0:1:4 FF05:0:0:0:0:0:1:1000 -FF05:0:0:0:0:0:1:13FF

All Routers Address All-dhcp-servers All-dhcp-relays Service Location

[ADDARCH] [Bound,Perkins] [Bound,Perkins] [RFC2165]

3.0 All Scope Multicast Addresses These permanently assigned multicast addresses are valid over all scope ranges. This is shown by an "X" in the scope field of the address that means any legal scope value. Note that, as defined in [ADDARCH], IPv6 multicast addresses which are only different in scope represent different groups. Nodes must join each group individually. The IPv6 multicast addresses with variable scope are as follows:

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FF0X:0:0:0:0:0:0:0 FF0X:0:0:0:0:0:0:100 FF0X:0:0:0:0:0:0:101 FF0X:0:0:0:0:0:0:102 FF0X:0:0:0:0:0:0:103 FF0X:0:0:0:0:0:0:104 FF0X:0:0:0:0:0:0:105 FF0X:0:0:0:0:0:0:106 FF0X:0:0:0:0:0:0:107 FF0X:0:0:0:0:0:0:108 FF0X:0:0:0:0:0:0:109 FF0X:0:0:0:0:0:0:10A FF0X:0:0:0:0:0:0:10B FF0X:0:0:0:0:0:0:10C FF0X:0:0:0:0:0:0:10D FF0X:0:0:0:0:0:0:10E FF0X:0:0:0:0:0:0:10F FF0X:0:0:0:0:0:0:110 FF0X:0:0:0:0:0:0:111 FF0X:0:0:0:0:0:0:112 FF0X:0:0:0:0:0:0:113 FF0X:0:0:0:0:0:0:114 FF0X:0:0:0:0:0:0:115 FF0X:0:0:0:0:0:0:116 FF0X:0:0:0:0:0:0:117 FF0X:0:0:0:0:0:0:118 FF0X:0:0:0:0:0:0:119 FF0X:0:0:0:0:0:0:11A FF0X:0:0:0:0:0:0:11B FF0X:0:0:0:0:0:0:11C FF0X:0:0:0:0:0:0:11D FF0X:0:0:0:0:0:0:11E FF0X:0:0:0:0:0:0:11F FF0X:0:0:0:0:0:0:120 FF0X:0:0:0:0:0:0:121 FF0X:0:0:0:0:0:0:122 FF0X:0:0:0:0:0:0:123 FF0X:0:0:0:0:0:0:124 FF0X:0:0:0:0:0:0:125 FF0X:0:0:0:0:0:0:126 FF0X:0:0:0:0:0:0:127 FF0X:0:0:0:0:0:0:128 FF0X:0:0:0:0:0:0:129 FF0X:0:0:0:0:0:0:12A

Reserved Multicast Address

[ADDARCH]

VMTP Managers Group [RFC1045,DRC3] Network Time Protocol (NTP) [RFC1119,DLM1] SGI-Dogfight [AXC] Rwhod [SXD] VNP [DRC3] Artificial Horizons - Aviator [BXF] NSS - Name Service Server [BXS2] AUDIONEWS - Audio News Multicast [MXF2] SUN NIS+ Information Service [CXM3] MTP Multicast Transport Protocol [SXA] IETF-1-LOW-AUDIO [SC3] IETF-1-AUDIO [SC3] IETF-1-VIDEO [SC3] IETF-2-LOW-AUDIO [SC3] IETF-2-AUDIO [SC3] IETF-2-VIDEO [SC3] MUSIC-SERVICE [Guido van Rossum] SEANET-TELEMETRY [Andrew Maffei] SEANET-IMAGE [Andrew Maffei] MLOADD [Braden] any private experiment [JBP] DVMRP on MOSPF [Moy] SVRLOC [Veizades] XINGTV microsoft-ds nbc-pro nbc-pfn lmsc-calren-1 [Uang] lmsc-calren-2 [Uang] lmsc-calren-3 [Uang] lmsc-calren-4 [Uang] ampr-info [Janssen] mtrace RSVP-encap-1 RSVP-encap-2 SVRLOC-DA rln-server proshare-mc dantz cisco-rp-announce cisco-rp-discovery gatekeeper iberiagames [Casner] [Braden] [Braden] [Veizades] [Kean] [Lewis] [Yackle] [Farinacci] [Farinacci] [Toga] [Marocho]

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FF0X:0:0:0:0:0:0:201 FF0X:0:0:0:0:0:0:202

"rwho" Group (BSD) (unofficial) SUN RPC PMAPPROC_CALLIT

[JBP] [BXE1]

FF0X:0:0:0:0:0:2:0000 -FF0X:0:0:0:0:0:2:7FFD FF0X:0:0:0:0:0:2:7FFE FF0X:0:0:0:0:0:2:7FFF FF0X:0:0:0:0:0:2:8000 -FF0X:0:0:0:0:0:2:FFFF 5.0 References

Multimedia Conference Calls SAPv1 Announcements SAPv0 Announcements (deprecated) SAP Dynamic Assignments

[SC3] [SC3] [SC3] [SC3]

[ADDARCH] Hinden, R., and S. Deering, "IP Version 6 Addressing Architecture", RFC 2373, July 1998. [AUTORFC] Thompson, S., and T. Narten, "IPv6 Stateless Address Autoconfiguration", RFC 1971, August 1996. [ETHER] Crawford, M., "Transmission of IPv6 Packets over Ethernet Networks", Work in Progress.

[RFC1045] Cheriton, D., "VMTP: Versatile Message Transaction Protocol Specification", RFC 1045, February 1988. [RFC1075] Waitzman, D., Partridge, C., and S. Deering, "Distance Vector Multicast Routing Protocol", RFC 1075, November 1988. [RFC1112] Deering, S., "Host Extensions for IP Multicasting", STD 5, RFC 1112, Stanford University, August 1989. [RFC1119] Mills, D., "Network Time Protocol (Version 1), Specification and Implementation", STD 12, RFC 1119, July 1988. [RFC1190] Topolcic, C., Editor, "Experimental Internet Stream Protocol, Version 2 (ST-II)", RFC 1190, October 1990. [RFC2080] Malkin, G., and R. Minnear, "RIPng for IPv6", RFC 2080, January 1997. [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997. [RFC2165] Veizades, J., Guttman, E., Perkins, C., and S. Kaplan "Service Location Protocol", RFC 2165 June 1997. [RFC2328] Moy, J., "OSPF Version 2", STD 54, RFC 2328, April 1998.

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6. People [AXC] Andrew Cherenson [Braden] Bob Braden, , April 1996. [Bob Brenner] [Bressler] David J. Bressler, , April 1996. [Bound] Jim Bound [BXE1] Brendan Eic [BXF] Bruce Factor [BXS2] Bill Schilit [Casner] Steve Casner, , January 1995. [CXM3] Chuck McManis [Tim Clark] [DLM1] David Mills [DRC3] Dave Cheriton [DXS3] Daniel Steinber [Farinacci] Dino Farinacci, [GSM11] Gary S. Malkin [Harrington] Dan Harrington, , July 1996. [IANA] IANA [Janssen] Rob Janssen, , January 1995. [JBP] Jon Postel

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[JXM1] Jim Miner [Kean] Brian Kean, , August 1995. [KS14] [Lee] Choon Lee, , April 1996. [Lewis] Mark Lewis, , October 1995. [Malamud] Carl Malamud, , January 1996. [Andrew Maffei] [Marohco] Jose Luis Marocho, <73374.313@compuserve.com>, July 1996. [Moy] John Moy [MXF2] Martin Forssen [Perkins] Charlie Perkins, [Guido van Rossum] [SC3] Steve Casner [Simpson] Bill Simpson November 1994. [Joel Snyder] [SXA] Susie Armstrong [SXD] Steve Deering [tynan] Dermot Tynan, , August 1995. [Toga] Jim Toga, , May 1996. [Uang] Yea Uang November 1994. [Veizades] John Veizades, , May 1995.

[Yackle] Dotty Yackle, , February 1996.

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7.0 Security Considerations This document defines the initial assignment of IPv6 multicast addresses. As such it does not directly impact the security of the Internet infrastructure or its applications. 8.0 Authors' Addresses Robert M. Hinden Ipsilon Networks, Inc. 232 Java Drive Sunnyvale, CA 94089 USA Phone: +1 415 990 2004 EMail: hinden@ipsilon.com

Stephen E. Deering Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA Phone: +1 408 527-8213 EMail: deering@cisco.com

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9.0

Full Copyright Statement Copyright (C) The Internet Society (1998). All Rights Reserved.

This document and translations of it may be copied and furnished to others, and derivative works that comment on or otherwise explain it or assist in its implementation may be prepared, copied, published and distributed, in whole or in part, without restriction of any kind, provided that the above copyright notice and this paragraph are included on all such copies and derivative works. However, this document itself may not be modified in any way, such as by removing the copyright notice or references to the Internet Society or other Internet organizations, except as needed for the purpose of developing Internet standards in which case the procedures for copyrights defined in the Internet Standards process must be followed, or as required to translate it into languages other than English. The limited permissions granted above are perpetual and will not be revoked by the Internet Society or its successors or assigns. This document and the information contained herein is provided on an "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

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