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Link Aggregation in Manual Load Balancing Mode
Link aggregation can work in manual load balancing or Link Aggregation Control Protocol (LACP) mode. The main difference between the two modes is whether LACP is used.
In manual load balancing mode, you must manually create an Eth-Trunk and add member interfaces to the Eth-Trunk. LACP is not used. In this mode, all active links load balance traffic evenly. If an active link fails, the other active links share the traffic evenly. The manual load balancing mode is suitable in scenarios where the link between two directly connected devices requires a high bandwidth but the devices do not support the LACP protocol.