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MPLS

  • Enhancements to BFD-triggered MPLS fast reroute (FRR) for unicast next hops and session-id-change-limiter-indirect (PTX10001-36MR, PTX10003, PTX10004, PTX10008, PTX10016, QFX5700, and QFX5200)—In Junos OS Evolved Release 22.2R1, we've enhanced the BFD-triggered fast reroute for unicast next hops and session-id-change-limiter-indirect to address the issue of traffic being silently discarded because of a session mismatch between the control plane and data plane.

    You can limit the re-programming of the number of parent nodes of the indirect-nexthop and prevent additional complexity in the Packet Forwarding Engine when the session-identifier id of the indirect nexthop is changed. To make those changes, use the session-id-change-limiter-indirect configuration statement at the [edit routing-options] hierarchy level.

    [See Bidirectional Forwarding Detection (BFD) for MPLS and session-id-change-limiter-indirect.]