SRv6 TI-LFA: The Ultimate Solution for Fast Rerouting

TI-LFA is a fast reroute mechanism designed to ensure minimal packet loss during network failures. It precomputes backup paths to protect against link or node failures, providing guaranteed repair coverage in segment routing-enabled networks.

This Guide Includes:

  • Challenges with Legacy Fast Reroute Technologies
  • RSVP-TE
  • LFA and RLFA
  • Brief about TI-LFA
  • ArcOS TI-LFA
  • Implementation
  • Enabling BFD
  • Enabling TI-LFA
  • Data Path
  • Micro-loop in SRv6

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