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loopback (Local and Remote)



Hierarchy Level

Release Information

Statement introduced in Junos OS Release 15.1F3 and 16.1R2 for PTX5000 routers.

Statement introduced in Junos OS Release 15.1F6 and 16.1R2 for PTX3000 routers.


Enables local loopback and enables remote loopback. This allows you to test the transceiver cable connection from the far end to the retimer interface without changing the cable.


localEnables local loopback
remoteEnables remote loopback

Required Privilege Level

interface—To view this statement in the configuration.

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