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Configuring Virtual Tributary Mapping

You can configure virtual tributary mapping to use KLM mode or ITU-T mode. By default, virtual tributary mapping uses KLM mode.

For the Channelized STM1 IQ and IQE PICs, you can configure virtual tributary mapping by including the vtmapping statement at the [edit interfaces cau4-fpc/pic/port sonet-options] hierarchy level:



[edit interfaces cau4-fpc/pic/port sonet-options]
vtmapping (klm | itu-t);

For the STM1 PIC, you can configure virtual tributary mapping by including the vtmapping statement at the [edit chassis fpc slot-number pic pic-number] hierarchy level:



[edit chassis fpc slot-number pic pic-number]
vtmapping (klm | itu-t);

Table 41 lists the KLM mappings used by the Channelized STM1-to-E1 PIC interfaces.

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