Which three interface parameters must match for an EtherChannel to form? (Choose three.)

Last Updated: Feb 16, 2022
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Which three interface parameters must match for an EtherChannel to form? (Choose three.)

  • PortFast mode
  • spanning-tree state
  • allowed VLANs
  • native VLAN
  • EtherChannel mode
  • trunking mode

Explanation: There are some EtherChannel modes that can be different and an EtherChannel will form, such as auto/desirable and active/passive. A port that is currently in the spanning tree blocking mode or has been configured for PortFast can still be used to form an EtherChannel.

Related exam: 6.4.4 Module Quiz - Etherchannel Answers

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