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IP Telephony: Packet-based Multimedia Communications Systems by Jean-Pierre Petit, David Gurle, Olivier Hersent

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Appendix . Appendix: well known multicast addresses

The range of addresses between 224.0.0.0 and 224.0.0.255, inclusive, is reserved for the use of routing protocols and other low-level topology discovery or maintenance protocols, such as gateway discovery and group membership reporting. Multicast routers should not forward any multicast datagram with destination addresses in this range, regardless of its TTL.

224.0.0.0

Base Address (Reserved)

[RFC1112,JBP]

224.0.0.1

All Systems on this Subnet

[RFC1112,JBP]

224.0.0.2

All Routers on this Subnet

[JBP]

224.0.0.3

Unassigned

[JBP]

224.0.0.4

DVMRP Routers

[RFC1075,JBP]

224.0.0.5

OSPFIGP OSPFIGP All Routers

[RFC1583,JXM1]

224.0.0.6

OSPFIGP OSPFIGP Designated Routers

[RFC1583,JXM1]

224.0.0.7

ST Routers ...

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