Section B.5. Well-Known Multicast Group Addresses (Chapter 3, RFC 2375)

B.5. Well-Known Multicast Group Addresses (Chapter 3, RFC 2375)

RFC 2375 defines the initial assignment of IPv6 multicast addresses that are permanently assigned. Some assignments are made for fixed scopes; other assignments are valid in different scopes. Table B-5 lists them.

Table B-5. Well-known multicast addresses with fixed scope

Address	Description
(Interface-local) or Node-local scope
FF01:0:0:0:0:0:0:1	All-nodes address
FF01:0:0:0:0:0:0:2	All-routers address
Link-local scope
FF02:0:0:0:0:0:0:1	All-nodes address
FF02:0:0:0:0:0:0:2	All-routers address
FF02:0:0:0:0:0:0:3	Unassigned
FF02:0:0:0:0:0:0:4	DVMRP routers
FF02:0:0:0:0:0:0:5	OSPFIGP
FF02:0:0:0:0:0:0:6	OSPFIGP designated routers
FF02:0:0:0:0:0:0:7	ST routers
FF02:0:0:0:0:0:0:8	ST hosts
FF02:0:0:0:0:0:0:9	RIP routers
FF02:0:0:0:0:0:0:A	EIGRP routers
FF02:0:0:0:0:0:0:B	Mobile agents
FF02:0:0:0:0:0:0:D	All PIM routers
FF02:0:0:0:0:0:0:E	RSVP encapsulation
FF02:0:0:0:0:0:0:16	All MLDv2-capable routers
FF02:0:0:0:0:0:0:6A	All snoopers
FF02:0:0:0:0:0:1:1	Link name
FF02:0:0:0:0:0:1:2	All DHCP agents
FF02:0:0:0:0:0:1:3	Link-local Multicast Name Resolution
FF02:0:0:0:0:0:1:4	DTCP Announcement
FF02:0:0:0:0:1:FFXX:XXXX	Solicited-node address
Site-local scope
FF05:0:0:0:0:0:0:2	All-routers address
FF05:0:0:0:0:0:1:3	All DHCP servers
FF05:0:0:0:0:0:1:4	Deprecated
FF05:0:0:0:0:0:1:1000 to FF05:0:0:0:0:01:13FF	Service location (SLP) Version 2

Table B-6 lists the currently assigned multicast group addresses with variable scope. The addresses are noted beginning with FF0X, X being the placeholder for a variable scope value. Find an updated list at http://www.iana.org/assignments/ipv6-multicast-addresses.

Table B-6. Assigned IPv6 multicast group addresses with variable scope

Address	Group
FF0X:0:0:0:0:0:0:0	Reserved Multicast Address
FF0X:0:0:0:0:0:0:C	SSDP
FF0X:0:0:0:0:0:0:100	VMTP Managers Group
FF0X:0:0:0:0:0:0:101	Network Time Protocol (NTP)
FF0X:0:0:0:0:0:0:102	SGI-Dogfight
FF0X:0:0:0:0:0:0:103	Rwhod
FF0X:0:0:0:0:0:0:104	VNP
FF0X:0:0:0:0:0:0:105	Artificial Horizons - Aviator
FF0X:0:0:0:0:0:0:106	NSS - Name Service Server
FF0X:0:0:0:0:0:0:107	AUDIONEWS - Audio News Multicast
FF0X:0:0:0:0:0:0:108	SUN NIS+ Information Service
FF0X:0:0:0:0:0:0:109	MTP Multicast Transport Protocol
FF0X:0:0:0:0:0:0:10A	IETF-1-LOW-AUDIO
FF0X:0:0:0:0:0:0:10B	IETF-1-AUDIO
FF0X:0:0:0:0:0:0:10C	IETF-1-VIDEO
FF0X:0:0:0:0:0:0:10D	IETF-2-LOW-AUDIO
FF0X:0:0:0:0:0:0:10E	IETF-2-AUDIO
FF0X:0:0:0:0:0:0:10F	IETF-2-VIDEO
FF0X:0:0:0:0:0:0:110	MUSIC-SERVICE
FF0X:0:0:0:0:0:0:111	SEANET-TELEMETRY
FF0X:0:0:0:0:0:0:112	SEANET-IMAGE
FF0X:0:0:0:0:0:0:113	MLOADD
FF0X:0:0:0:0:0:0:114	any private experiment
FF0X:0:0:0:0:0:0:115	DVMRP on MOSPF
FF0X:0:0:0:0:0:0:116	SVRLOC
FF0X:0:0:0:0:0:0:117	XINGTV
FF0X:0:0:0:0:0:0:118	microsoft-ds
FF0X:0:0:0:0:0:0:119	nbc-pro
FF0X:0:0:0:0:0:0:11A	nbc-pfn
FF0X:0:0:0:0:0:0:11B	lmsc-calren-1
FF0X:0:0:0:0:0:0:11C	lmsc-calren-2
FF0X:0:0:0:0:0:0:11D	lmsc-calren-3
FF0X:0:0:0:0:0:0:11E	lmsc-calren-4
FF0X:0:0:0:0:0:0:11F	ampr-info
FF0X:0:0:0:0:0:0:120	mtrace
FF0X:0:0:0:0:0:0:121	RSVP-encap-1
FF0X:0:0:0:0:0:0:122	RSVP-encap-2
FF0X:0:0:0:0:0:0:123	SVRLOC-DA
FF0X:0:0:0:0:0:0:124	rln-server
FF0X:0:0:0:0:0:0:125	proshare-mc
FF0X:0:0:0:0:0:0:126	dantz
FF0X:0:0:0:0:0:0:127	cisco-rp-announce
FF0X:0:0:0:0:0:0:128	cisco-rp-discovery
FF0X:0:0:0:0:0:0:129	gatekeeper
FF0X:0:0:0:0:0:0:12A	iberiagames
FF0X:0:0:0:0:0:0:12B	X Display
FF0X:0:0:0:0:0:0:12C	emware-moap
FF0X:0:0:0:0:0:0:12D	DvbServDisc
FF0X:0:0:0:0:0:0:201	"rwho" Group (BSD) (unofficial)
FF0X:0:0:0:0:0:0:202	SUN RPC PMAPPROC_CALLIT
FF0X:0:0:0:0:0:0:300	Mbus/Ipv6
FF0X:0:0:0:0:0:2:0000 to FF0X:0:0:0:0:0:2:7FFD	Multimedia Conference Calls
FF0X:0:0:0:0:0:2:7FFE	SAPv1 Announcements
FF0X:0:0:0:0:0:2:7FFF	SAPv0 Announcements (deprecated)
FF0X:0:0:0:0:0:2:8000 to FF0X:0:0:0:0:0:2:FFFF	SAP Dynamic Assignments