EtherChannel
EtherChannel bundles multiple physical links into one logical link to increase bandwidth and redundancy.
Updated: 2026-03-05
Definition
EtherChannel groups several physical links into a single logical interface (Port-Channel).
STP treats it as one link, reducing blocked links while providing redundancy and more throughput.
Key points
- Creates Port-Channel logical interface
- STP sees it as one link
- Requires consistent settings on all member links
Common mistakes
- Mismatched speed/duplex/VLAN/trunk settings prevent bundling.
- Assuming traffic will split evenly without understanding hashing.
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