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Cisco Transport Manager Release 6.0 User Guide
78-16845-01
Chapter 3 Building the Network
3.6.3 Viewing the Link Table
Table 3-10 describes the fields in Link table.
Table 3-10 Field Descriptions for the Link Table
Field Description
Link Alarm Severity Highest severity alarm associated with the selected link.
Link Source ID ID of the link source.
Link Source PTP PTP of the link source.
Link Destination ID ID of the link destination.
Link Destination PTP PTP of the link destination. Because a link can have up to two destinations on the same NE, a
“DST1” or “DST2” label is affixed to the destination to indicate the destination number.
Layer Rate Layer rate, defined as per ITU-T standard G.872 for multilayered optical networks. Values are
Physical, OTS, OMS, OCh, SONET/SDH, and L2.
Layer rate, defined as per ITU-T standard G.872 for multilayered optical networks. Values are
Physical, Optical Transmission Section - OTS, Optical Multiplex Section - OMS, Optical Channel
Layer - OCH, SONET/SDH, and L2.
Layer Detail Bandwidth of the link as per the layer rate:
• For SONET links, the link rate is OC-3, OC-12, OC-48, OC-192, Layer 2, or Layer 3, depending
on the NE configuration.
• For SDH links, the link rate is STM1, STM-4, STM-16, STM-64, Layer 2, or Layer 3.
• For DWDM links, values are 10G ITU, 2.5G ITU, or OTS.
• For OCH links, the link rate is 10G ITU or 2.5G ITU.
• For the ONS 15800, ONS 15801, and ONS 15808 NEs, the link rate is OTS.
• For links between Not Managed/Other Vendor NEs, the link rate is Not Applicable.
• For links between Not Managed/Other Vendor NEs and a CTC-based NE, the rate is that of the
CTC-based NE. Links between a SONET/SDH link and a Not Managed/Other Vendor NE
depend on the link source. If the link source is the Not Managed/Other Vendor NE, the layer
rate is Not Applicable. If the link source is the SONET/SDH link, the layer rate will be the layer
rate of the SONET/SDH link.
Link Direction Whether the link is unidirectional or bidirectional.
Link Provision Type Whether the selected link is automatically discovered by an NE. Values are:
• Manual—For manual links.
• Auto—For automatically discovered links.
• PatchCord—For patchcord links.
Note Autodiscovered links between transponder or muxponder cards on release 4.6 NEs are
always reported with a constant size, regardless of payload type.