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C5/B5-Series LACP default settings


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Article ID: 13381

Products
C5-Series, all firmware
B5-Series, all firmware

Symptoms
Does not automatically form a dynamic Link Aggregation (LAG) upon ethernet cable attachment.

Cause
Link Aggregation Control Protocol (LACP) is not enabled by default on a per port basis.

On the C3, C2, B3, B2, and A2-Series products, LACP is enabled both globally and per port.
On the C5 and B5-Series, the defaults are different: enabled globally but disabled per port.

Solution
Use the 'set port lacp port <port#> enable' command to enable LACP on ports as required.

See also: 5531 and 12516.

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