What action takes place when a frame entering a switch has a multicast destination MAC address?

Last Updated: Feb 26, 2021
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What action takes place when a frame entering a switch has a multicast destination MAC address?

  • The switch will forward the frame out all ports except the incoming port.
  • The switch forwards the frame out of the specified port.
  • The switch adds a MAC address table entry mapping for the destination MAC address and the ingress port.
  • The switch replaces the old entry and uses the more current port.

Explanation: If the destination MAC address is a broadcast or a multicast, the frame is also flooded out all ports except the incoming port.

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