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Network Management and Monitoring

  • Python 3 support for YANG action and translation scripts (PTX10001-36MR, PTX10003, PTX10004, and PTX10008)—Starting in Junos OS Evolved Release 21.1R1, you can use Python 3 to execute YANG action and translation scripts. To use Python 3, you must configure the language python3 statement at the [edit system scripts] hierarchy level.

    [See Understanding Python Automation Scripts for Devices Running Junos OS.]

  • YANG action and translation script support for 64-bit infrastructure (PTX10001-36MR, PTX10003, PTX10004, and PTX10008)—Starting in Junos OS Evolved Release 21.1R1, YANG action and translation scripts use 64-bit infrastructure by default. Using 64-bit infrastructure instead of 32-bit infrastructure increases efficiency because 64-bit applications can handle larger file sizes and a greater number of files. Using 64-bit infrastructure also increases system security because 64-bit applications support additional security best practices.

    [See NETCONF XML Management Protocol Developer Guide.]

  • Enhanced sFlow support (PTX10003)—Starting in Junos OS Evolved Release 21.1R1, you can perform sFlow sampling and detection of traffic profiles of GRE encapsulation and de-encapsulation scenarios.

    [See Overview of sFlow Technology.]

  • Support for the pimNeighborLoss trap (PTX10001-36MR, PTX10003, PTX10004, and PTX10008)—Starting in Junos OS Evolved Release 21.1R1, we support the pimNeighborLoss trap as defined in RFC 2934. In Junos OS Evolved release, RFC 2934 is implemented based on a draft version of the Physical Interface Module (PIM) MIB as defined in the mib-pimmib.txt file in the Junos OS Standard MIBs package.

    The pimNeighborLoss trap signifies the loss of an adjacency with a neighbor device. This trap is generated when the router has an IP address lower than that of the interface to which the neighbor is connected.

    [See SNMP MIB Explorer.]

  • Remote port mirroring with ToS or DSCP settings (PTX10004)

    —Starting in Junos OS Release 21.1R1, this feature enables you to send sampled copies of incoming packets to remotely connected network management software. You send the packets via GRE encapsulation, which is supported by flexible tunnel interfaces (FTI). You can set ToS and DSCP values to provide necessary priorities in the network for these packets. You can also apply policing to sampled packets that are leaving the FTI. Configure the settings you need in the [edit forwarding-options port-mirroring instance <instance-name> output] hierarchy.

    [See instance (Port Mirroring).]