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H3C Technologies H3C S3100 Series Switches User Manual

Page 234

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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