What is a function of IGMP snooping?

Last Updated: Feb 19, 2021
IT Exam Items Repository › Category: CCNP › What is a function of IGMP snooping?

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.

Related exam: CCNPv8 ENCOR (Version 8.0) - CCNP ENCOR (350-401) Certification Practice Exam

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