To learn how to configure an MC-LAG setup, see this guide. Find help and support for Ubiquiti products, view online documentation and get the latest downloads. Scenario This solution applies to the scenario where the traffic on a single port is insufficient so we need to virtualize the multiple interfaces into one interface. It is commonly used to increase bandwidth, improve network performance, and provide redundancy in case of link failure. By aggregating. The following sections provide information about port aggregation, aggregation group, load balance, system priority and port priority. The manual eth-trunk can be regarded as an interface, which can be access or trunk. High-performance 10G SFP modules for optimal connectivity.