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Routing & Switching · Foundational

Port-Channel Interface

The logical interface representing an EtherChannel bundle on Cisco devices, where Layer 2 or Layer 3 settings are applied.

Definition

Configuration on the port-channel propagates to members. Layer 3 EtherChannels use no switchport on the port-channel and members.

Example

interface Port-channel1 / switchport mode trunk

Exam tip

Verify with show etherchannel summary: flags SU means Layer 2 in use, RU means Layer 3 in use, P means bundled.

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