Instructions

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iii. IGMP Snooping
IGMP snooping is the process of listening to Internet Group Management
Protocol (IGMP) network traffic. The feature allows a network switch to listen
in on the IGMP conversation between hosts and routers. By listening to these
conversations the switch maintains a map of which links need which IP
multicast streams.
iv. STP Management
When enabled, STP ensures that you do not create loops when you have
redundant paths in your network.