126 Chapter 2 Network configuration
208700-B
After the switches learn which ports are requesting access to the IP Multicast
stream, all other ports not responding to the queries are blocked from receivi ng the
IP Multicast (Figure37).
Figure 37 Business Policy Switch filtering IP multicast streams (2 of 2)
The consolidated proxy report generated by the switch remains transparent to
layer 3 of the International Organization for Standardization, Open Systems
Interconnection (ISO/OSI) model. (The switch IP address and MAC address are
not part of proxy report generation.) The last reporting IGMP group member in
each VLAN represents all of the hosts in that VLAN and IGMP group.
BS45023C
Designated
router
Host
membership
query
Internet
Business Policy
Switch 2000
Business Policy
Switch 2000
Business Policy
Switch 2000 Key
Multicast stream
S2
S4
S1
S3