You are configuring an EtherChannel between two switches. On both switches, you have added the interfaces to the same channel group and set the mode to 'passive'. However, the EtherChannel is not establishing, and the output of 'show etherchannel summary' displays the ports as down. Which configuration change will most likely resolve the issue?
Assign the EtherChannel to a different VLAN
Enable PortFast on the EtherChannel interfaces
Set the channel group mode to 'active' on one switch
Configure the interfaces as Layer 3 ports using 'no switchport'
When both ends of an EtherChannel are configured in 'passive' mode, neither side initiates the negotiation to form the EtherChannel, and therefore the channel remains down. Changing the mode on one switch to 'active' enables it to initiate the negotiation process, allowing the EtherChannel to form successfully.
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What does setting the mode to 'active' do in EtherChannel configuration?
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Why might enabling PortFast on EtherChannel interfaces not resolve the issue?
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Cisco CCNA 200-301
Network Access
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