On what switch ports should PortFast be enabled to enhance STP stability?

Last Updated: Feb 16, 2022
IT Exam Items Repository › Category: CCNA › On what switch ports should PortFast be enabled to enhance STP stability?

On what switch ports should PortFast be enabled to enhance STP stability?

  • all end-user ports
  • only ports that attach to a neighboring switch
  • all trunk ports that are not root ports
  • only ports that are elected as designated ports

Explanation: PortFast will immediately bring an interface configured as an access or trunk port to the forwarding state from a blocking state, bypassing the listening and learning states. If configured on a trunk link, immediately transitioning to the forwarding state could lead to the formation of Layer 2 loops.

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