Figure 35 Ip Multicast Propagation With Igmp Routing - Nortel 2000 Using Manual

124 Chapter 2 Network configuration

Figure 35 IP Multicast propagation with IGMP routing

membership
IGMP
Host
Host
membership
report
The Business Policy Switch can automatically set up IP Multicast filters so the IP
Multicast traffic is only directed to the participating end nodes (see
In Figure
router. The router periodically sends Host Membership Queries to the LAN and
listens for a response from end stations. All of the clients connected to switches
S1 to S4 are aware of the queries from the router.
208700-B
Host
query
Designated
router #1
Multicast stream
Non-IP Multicast
filtering switch
36, switches S1 to S4 represent a LAN connected to an IP Multicast
Internet
membership
Designated
router #2
Non-IP Multicast
filtering switch
Host
membership
report
Host
query
BS45021B
Figure 36).