EtherChannel with LACP configuration and verification

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By the end you’ll be able to

Explain the purpose of EtherChannel in increasing bandwidth and providing redundancy while presenting multiple physical links as one logical interface.
Differentiate LACP from non-LACP EtherChannel approaches and identify the active and passive LACP negotiation modes.
Configure an EtherChannel bundle with LACP on switch interfaces using the correct channel-group parameters.

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Verify EtherChannel and LACP operation using Cisco IOS show-command output for port-channel status and member interfaces.

Identify common causes of EtherChannel formation failure from configuration snippets or verification output.

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