Lobos Tech LB-FEA800M - Manual (Page 66)

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perform dynamic LACP trunking.
A link has two passive LACP ports will not perform dynamic LACP
trunking because both ports are waiting for and LACP protocol packet
from the opposite device.
2. If you are active LACP’s actor, when you are select trunking port, the
active status will be created automatically.