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### Instruction:
What is the purpose of the MPLS TE tunnel path-selection metric feature?
### Response:
The MPLS TE tunnel path-selection metric feature allows the configuration of the metric type to be used for CSPF path calculation for a given tunnel. The default is to use the TE metric which is carried in TE LSAs. Alternatively, the IGP metric can be used which is the normal OSPF or IS-IS metric. This allows path optimization per individual tunnel.
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