User Guide 24
Switching Switching
a known multicast group will be transmitted to the designated receivers instead of being
broadcast in the Layer2 network. The following figure shows how IGMP snooping works.
Figure 1-1 IGMP Snooping
Source
Multicast router
Layer 2 switch
Host A Host B Host C
Receiver Receiver
Multicast packets transmission
with IGMP Snooping
Source
Multicast router
Layer 2 switch
Host A Host B Host C
Receiver Receiver
Multicast packets transmission
without IGMP Snooping
Multicast packets
LAG
With LAG (Link Aggregation Group) function, you can aggregate multiple physical ports into
a logical interface to increase link bandwidth and enhance the connection reliability.
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