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Source Packet Routing in Networking (SPRING) or Segment Routing

date_range 27-Apr-22
  • Avoid microloops in OSPFv2 segment routing networks (PTX10001-36MR, PTX10004, and PTX10008) —Starting in Junos OS Evolved Release 22.1R1, you can enable post-convergence path calculation on a device to avoid microloops if a link or metric changes in an OSPFv2 segment routing network. Note that microloop avoidance is not a replacement for local repair mechanisms such as topology-independent loop-free alternate (TI-LFA), which detects local failure very fast and activates a precomputed loop-free alternative path.

    To configure microloop avoidance in an OSPFv2 segment routing network, include the maximum-labels and delay milliseconds statements at the [edit protocols ospf spf-options microloop avoidance post-convergence-path] hierarchy level.

    [See How to Configure Microloop Avoidance for OSPFv2 SR Networks.]

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