What is a function of IGMP snooping?
- updating static MAC entries on ports that should receive multicast traffic from certain sources or groups
- learning and maintaining multicast group memberships
- restricting multicast packets for IP multicast groups that have downstream receivers
- updating receiver applications to filter out unwanted traffic
Explanation: IGMP snooping reduces multicast flooding on a LAN segment by learning and maintaining multicast group memberships at the Layer 2 level.
Exam with this question: CCNPv8 ENCOR (Version 8.0) - CCNP ENCOR (350-401) Certification Practice Exam
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