Users Guide

IPv4 and IPv6 Multicast 1525
239.0.0.0/8 is the locally scoped IPv4 multicast address range. Use addresses
from this block for local/intra-domain multicast data traffic. See RFC 2365
for further information
233.0.0.0/8 is the GLOP IPv4 public address range and is suitable for inter-
domain multicast data traffic. See RFC 2770 for further information.
232.0.0.0/8 is the PIM-SSM IPv4 public address space and is suitable for inter-
domain data traffic. See RFC 4608 for further information.
ffx5::/16 is the IPv6 site-local scope multicast address space and is suitable for
intra-domain IPv6 multicast data traffic.
ffx8::/16 is the IPv6 Organization-local scope multicast address space and is
suitable for intra-domain data traffic that may be sent over a VPN. These
addresses are not valid in the public Internet.
ffxe::/16 is the IPv6 Global scope multicast address space and is suitable for
inter-domain data traffic. These addresses are valid in the public Internet.
What Multicast Protocols Does the Switch Support?
Multicast protocols are used to deliver multicast packets from one source to
multiple receivers. Table 44-1 summarizes the multicast protocols that the
switch supports.
Table 44-1. Multicast Protocol Support Summary
Protocol IPv4 or IPv6 For Communication Between
IGMP IPv4 Host-to-L3 switch/router
IGMP Proxy IPv4 Host-to-L3 switch/router
MLD IPv6 Host-to-L3 switch/router
MLD Proxy IPv6 Host-to-L3 switch/router
PIM-SM IPv4 and IPv6 L3-switch/router-to-L3 switch/router
PIM-DM IPv4 and IPv6 L3-switch/router-to-L3 switch/router
DVMRP IPv4 L3-switch/router-to-L3 switch/router