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Hierarchy Level

Release Information

Statement introduced before Junos OS Release 7.4.


For the Channelized STM1 IQ PIC or Channelized STM1 PIC, configure virtual tributary mapping.

For the Channelized STM1 PIC, you configure virtual tributary mapping at the [edit chassis fpc number pic number] hierarchy level.


The vtmapping statement is not supported for cau4 interfaces on the Channelized OC3/STM1 (Multi-Rate) Circuit Emulation MIC with SFP (H).


itu-t—International Telephony Union standard.

klm—KLM standard.

Default: klm

Required Privilege Level

interface—To view this statement in the configuration.

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