H3C S7500 Series Ethernet Switches Operation Manual

Operation Manual – Multicast
H3C S7500 Series Ethernet Switches Chapter 1
Multicast Overview
1-7
Class D address range Description
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 of 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
available in the specific local scope only.
As specified by IANA, the IP addresses ranging from 224.0.0.0 to 224.0.0.255 are
reserved for routing 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
224.0.0.15 All core-based tree (CBT) routers
224.0.0.16
The specified subnetwork bandwidth management
(SBM)
224.0.0.17 All SBMS
224.0.0.18 Virtual router redundancy protocol (VRRP)
224.0.0.19– 224.0.0.255 Other protocols