To configure link aggregation on Ethernet interfaces, you must configure the Ethernet interface, create the LAG bundle, and add the Ethernet interface as a member link in the LAG bundle. Optionally, you can then configure IP, a VLAN subinterface, a PPPoE subinterface, or MPLS for the LAG bundle.
For more information about specifying LAG interfaces and subinterfaces on E-series routers, see Interface Types and Specifiers in JUNOSe Command Reference Guide.
Tasks to configure 802.3ad link aggregation interfaces are: