HP 8000M User Manual
Page 179
6-103
Configuring the Switch
IP Multicast (IGMP) Features—Multimedia Traffic Control
C
o
n
fig
u
rin
g
th
e
Sw
itc
h
Figure 6-68. Isolating IP Multicast Traffic in a Network
■
In the above figure, the multicast group traffic does not go to switch 1 and
beyond because either the port on switch 3 that connects to switch 1 has
been configured as blocked or there are no hosts connected to switch 1
or switch 2 that belong to the multicast group.
■
For PC 1 to become a member of the same multicast group without
flooding IP multicast traffic on all ports of switches 1 and 2, IGMP must
be configured on both switches 1 and 2, and the port on Switch 3 that
connects to Switch 1 must be unblocked.
Switch 4
PC 1
PC 2
PC 5
PC 6
Multicast
Data Stream
IGMP IS
Running Here
Switch 1
Switch 2
IGMP is NOT
Running Here
Switch 3
IGMP IS
Running Here
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