TP-Link Easy Smart Switch User Manual page 28

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
Multicast packets transmission Multicast packets transmission
without IGMP Snooping with IGMP Snooping
Multicast router Multicast router
Source
Source
Layer 2 switch
Layer 2 switch
Host A Host B Host C
Host A Host B Host C
Receiver Receiver
Receiver Receiver
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.
User Guide 24