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Hierarchy Level


Specify aggregated Ethernet logical interface number.



Join an aggregated Ethernet interface.

ae interface-number

Aggregated Ethernet logical interface number. For MX Series routers running Junos release 14.2R3 and later you can configure a maximum of 1000 aggregated interfaces. On MX2010 and MX2020 routers you can configure a maximum of 800 aggregated interfaces.

primary | backup

For link protection configurations, specify the link as primary link or backup link for egress traffic.


Configure Link Aggregation Control Protocol. Specify the port priority in the range 0 through 65535. Default port-priority is 127.


Specify the desired child link index within the aggregated Ethernet Interface. Index number of the logical interface reflects its initialization sequence.


For targeted distribution, specify the distribution list to which the interface belongs.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Release Information

Statement introduced before Junos OS Release 7.4.

primary and backup options added in Junos OS Release 8.3.