H3C Technologies H3C S3100 Series Switches User Manual
Page 234

Operation Manual – Multicast
H3C S3100-52P Ethernet Switch
Chapter 1 Multicast Overview
1-7
Table 1-1
Range and description of Class D IP addresses
Class D address range
Description
224.0.0.0 to 224.0.0.255
Reserved multicast addresses (IP
addresses for permanent multicast
groups). The IP address 224.0.0.0 is
reserved. Other IP addresses can be
used by routing protocols.
224.0.1.0 to 231.255.255.255
233.0.0.0 to 238.255.255.255
Available any-source multicast (ASM)
multicast addresses (IP addresses for
temporary groups). They are valid for
the entire network.
232.0.0.0 to 232.255.255.255
Available source-specific multicast
(SSM) multicast group addresses.
239.0.0.0 to 239.255.255.255
Local management multicast addresses,
which are for specific local use only.
As specified by IANA, the IP addresses ranging from 224.0.0.0 to 224.0.0.255 are
reserved for network protocols on local networks. The following table lists commonly
used reserved IP multicast addresses:
Table 1-2
Reserved IP multicast addresses
Class D address range
Description
224.0.0.1
Address of all hosts
224.0.0.2
Address of all multicast routers
224.0.0.3 Unassigned
224.0.0.4
Distance vector multicast routing
protocol (DVMRP) routers
224.0.0.5
Open shortest path first (OSPF) routers
224.0.0.6
Open shortest path first designated
routers (OSPF DR)
224.0.0.7
Shared tree routers
224.0.0.8
Shared tree hosts
224.0.0.9 RIP-2
routers
224.0.0.11 Mobile
agents
224.0.0.12
DHCP server/relay agent
224.0.0.13
All protocol independent multicast (PIM)
routers
224.0.0.14
Resource reservation protocol (RSVP)
encapsulation