Use Cases

Some ports gets error disabled if the operational speed of the ports are different. For example, if there are two ports, 1-Gbps and 10-Gbps, the 10-Gbps port will be error disabled because the 1-Gbps port comes up first. If you use the speed-duplex command, the operational speed of the 10-Gbps port becomes 1-Gbps to match the lowest common speed. You must select the appropriate combination of ports to be aggregated to obtain the best effective bandwidth.