3Com 8800 Configuration Manual page 280

3Com Switch 8800 Configuration Guide
Table 23-1 Ranges and meanings of Class D addresses
224.0.0.0∼224.0.0.255
224.0.1.0∼238.255.255.255
239.0.0.0∼239.255.255.255
Reserved multicast addresses that are commonly used are described in the following
table.
Table 23-2 Reserved multicast address list
224.0.0.0
224.0.0.1
224.0.0.2
224.0.0.3
224.0.0.4
224.0.0.5
224.0.0.6
224.0.0.7
224.0.0.8
224.0.0.9
224.0.0.10
224.0.0.11
224.0.0.12
224.0.0.13
224.0.0.14
224.0.0.15
224.0.0.16
224.0.0.17
224.0.0.18
Class D address range
Class D address range
Chapter 23 IP Multicast Overview
Reserved
(addresses of permanent groups). All
but 224.0.0.0 can be allocated by routing
protocols.
Multicast addresses available for users
(addresses of temporary groups). They
are valid in the entire network.
Multicast
management. They are valid only in the
specified local range.
Base Address (Reserved)
Addresses of all hosts
Addresses of all multicast routers
Not for allocation
DVMRP routers
OSPF routers
OSPF DR
ST routers
ST hosts
RIP-2 routers
IGRP routers
Active agents
DHCP server/Relay agent
All PIM routers
RSVP encapsulation
All CBT routers
Specified SBM
All SBMS
VRRP
23-5
Description
multicast addresses
addresses for
Description
local