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link-speed (Aggregated SONET/SDH)



Hierarchy Level

Release Information

Statement introduced before Junos OS Release 7.4.

mixed option added in Release 8.0.


For aggregated SONET/SDH interfaces only, set the required link speed.


speed—Aggregated SONET/SDH links can have one of the following speed values.

  • oc3—Links are OC3c or STM1c.

  • oc12—Links are OC12c or STM4c.

  • oc48—Links are OC48c or STM16c.

  • oc192—Links are OC192c or STM64c.

  • oc768—Links are OC768c or STM256c.

mixed—For aggregated SONET/SDH links on T Series routers, you can mix interface speeds in SONET/SDH aggregation bundles. Interface speeds from OC3 through OC768 are supported.

Required Privilege Level

interface—To view this statement in the configuration.

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