Use this procedure to add ports to an MLT.
From the navigation tree, double-click VLAN.
From the VLAN tree, click MLT/LACP.
Select the MultiLink Trunks tab.
Click Filter.
Set the properties, and click Filter.
Double-click in the PortMembers field for the MLT to which ports are to be added.
Click on the buttons that represent the ports that are to be added to the MLT. For the 5000 Series, up to 8 same-type ports can belong to a single MLT
Click OK.
Click Apply.