With link aggregation, members in an LAG share the output and input service loads, to increase bandwidth. In actual applications, you can add an aggregation port to an existing LAG.
This operation may interrupt services in a LAG.
Setting the parameters of a port affect the service of the board. Before setting the parameters of a port, configure State of the port as OOS at the Ethernet Interface. After setting the parameters, restore State of the port to IS.
to add the port to the Selected Standby Ports pane.