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Routing Protocols

  • DCSPF support for SR-TE with Flex Algo (MX5, MX10, MX40, MX80, MX104, MX150, MX204, MX240, MX304, MX480, MX960, MX2008, MX2010, MX2020, MX10003, MX10004, MX10008, MX10016, vMX, PTX1000, PTX3000, and PTX5000)—Starting in Junos OS Release 22.2R1, we support the flexible algorithm (Flex Algo) as a constraint in the compute profile of a segment routing–traffic engineering (SR-TE) LSP. The computation combines any constraints in the compute profile with the ones in the Flex Algo definition to find the resultant path. It uses the Flex Algo segment identifiers (SIDs) in the configuration to compress the resultant path.

    We support the feature only for IPv4 SR-MPLS SIDs. You can use SR-TE policy constraints to further fine-tune Flex Algo constraints.

    [See Enabling Distributed CSPF for Segment Routing LSPs.]