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Hierarchy Level

Release Information

Statement introduced in Junos OS Release 9.5.

Statement introduced in Junos OS Release 12.1 for EX Series switches.

Statement introduced in Junos OS Release 14.153-D10 for QFX Series switches.


Define one of the two interface ports for Ethernet ring protection, the other being defined by the east-interface statement at the same hierarchy level. The interface must use the control channel's logical interface name. The control channel is a dedicated VLAN channel for the ring port.


Always configure this port second, after configuring the east-interface statement.

The remaining statements are explained separately. See CLI Explorer.

Required Privilege Level

interface—To view this statement in the configuration.

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