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### Instruction:
What is the purpose of the MPLS TE fast reroute (FRR) feature?
### Response:
The MPLS TE fast reroute (FRR) feature provides link and node protection for MPLS TE tunnels. It enables fast traffic recovery upon link or node failure by using pre-signaled backup tunnels that bypass the protected resource. FRR is enabled on a per-tunnel basis and activated when the primary tunnel fails.
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