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High Availability

  • NSR support for controller-initiated RSVP LSPs (PTX10003, PTX10004, PTX10008, and QFX5220)—Starting in Junos OS Evolved Release 21.2R1, we support NSR for controller-initiated RSVP-based point-to-point (P2P) and point-to-multipoint (P2MP) LSPs. The primary Routing Engine synchronizes all RSVP LSPs initiated by Path Computational Elements (PCEs) with the backup Routing Engine. It also synchronizes multicast flow specifications for any PCE-initiated P2MP LSPs with the backup Routing Engine. This ensures zero traffic loss for the traffic carried over PCE-initiated RSVP LSPs during Routing Engine switchovers. You enable this feature when you configure NSR.

    [See PCEP Configuration.]