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High Availability

  • Support for high availability (ACX7348)—Use the high availability feature to achieve routing engine redundancy and reliability in packet-based communications. We support both graceful Routing Engine switchover (GRES), graceful restart (GR), and nonstop active routing (NSR). ACX7348 does not support PFE redundancy.

    Note:

    If you alter the present flow or introduce a new flow during the Routing Engine switchover, the convergence does not take place until switchover completes. Topology changes during the switchover are applied only after switchover. Traffic loss and minor statistics loss is expected during switchover.

    On ACX7348 device, if a configuration belonging to features like Broadband network gateway (BNG), VXLAN, sFlow, J-Flow, and port mirroring is detected during Routing Engine switchover, then datapath is reset and traffic reconvergence is seen.

    [See Understanding High Availability Features.]