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Chassis Cluster

  • Support for NAT functionalities on multinode high availability (SRX5400, SRX5600, and SRX5800 with SPC3 card)—Starting in Junos OS Release 21.1R1, we support the following NAT functionalities on HA nodes in multinode high availability:

    • IPv6 NAT (source NAT, destination NAT, and static NAT)
    • NAT64 persistent NAT
    • Logical and tenant systems NAT (source NAT, destination NAT, and static NAT)
    • Port block allocation (PBA) and NAT logs.

    [See Multinode High Availability, and NAT for User Logical Systems.]

  • Enabling and disabling control link (SRX4100, SRX4200, and SRX4600)—Starting in Junos OS Release 21.1R1, you can enable or disable control links, using the following commands, to control the status of the cluster nodes and minimize failovers.

    • delete chassis cluster control-interface node 0 disable
    • delete chassis cluster control-interface node 1 disable
    • set chassis cluster control-interface node0 disable
    • set chassis cluster control-interface node1 disable

    [See chassis and fabric-options].