ONTAP 9.12.1 commands

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  • ONTAP 9.12.1 commands(CA08871-263en.pdf)
  • network tuning tcp show

    Show TCP tuning options

    Availability: This command is available to cluster administrators at the admin privilege level.

    Description

    This command displays the current state of the TCP tuning options for the given node.

    Parameters

    { [-fields <fieldname>,…​]

    If you specify the -fields <fieldname>, …​ parameter, the command output also includes the specified field or fields. You can use '-fields ?' to display the fields to specify.

    | [-instance ] }

    Displays all TCP tuning options.

    [-node {<nodename>|local}] - Node

    Specifies the node for which the TCP tuninng options will be displayed.

    [-is-path-mtu-discovery-enabled {true|false}] - Path MTU discovery enabled

    Displays all entries that match the "is-path-mtu-discovery-enabled" value.

    [-is-rfc3465-enabled {true|false}] - RFC3465 enabled

    Displays all entries that match the "is-rfc3465-enabled" value.

    [-max-cwnd-increment <integer>] - Maximum congestion window segments incrementation

    Displays all entries that match the "max-cwnd-increment" value.

    [-is-rfc3390-enabled {true|false}] - RFC3390 enabled

    Displays all entries that match the "is-rfc3390-enabled" value.

    [-is-sack-enabled {true|false}] - SACK support enabled

    Displays all entries that match the "is-sack-enabled" value.

    Examples

    cluster1::> network tuning tcp show
              Path MTU           Maximum                   Selective
    Node      Discovery  RFC3465 Congestion Window RFC3390 Ack
              Enabled    Enabled Incrementation    Enabled Enabled
    --------- ---------  ------- ----------------- ------- --------
    node1
              true       true    2                 true    true
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