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When IGMP snooping is invoked, it makes the system aware to establish the
best path for multicast service to save LAN bandwidth. Refer the figure
below, just as desired, only host A and D will actually receive multicast
traffic when IGMP snooping is enabled.
A
B
C
D
Etherent
While IGMP snooping is enabled, the IGMP packets will be monitored, the
membership information will be recorded and processed, and the multicast
traffic will only be forwarded to those LAN interfaces, such as Ethernet,
Wireless, and USB, which are bonded to the subscribed multicast groups.
Thus it helps to save the bandwidth and helps the devices to perform more
effectively.
Check Enable IGMP Snooping and click Apply to invoke this function. When
IGMP Snooping is enabled, you can check the box below to filter out
multicast packets which will be sent to your local network if no user plays
multimedia movies.
Note that the IGMP proxy must be enabled first. If the IGMP snooping
function is not available as shown in the following figure, you have to
enable the IGMP Proxy first.
IGMP Snooping Enabled
Multicast traffic
ADSL Router
Wireless
E
F
Wireless IAD User Manual
Video Server
FANS
OK
FAILURE
FAN
FAN
MULTI-
CAUTION
FAILURE
When swapping this fan tray,
removal and replacement must
be done under two minutes or
system shutdown will be occur.
OA
OB
PROCESSER ONLY
SUB
SLOT
0
SUB
SLOT
1
PROCESSER ONLY
57
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