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sys_attrs_net(5) File Formats Manual sys_attrs_net(5) NAME
sys_attrs_net - net subsystem attributes DESCRIPTION
This reference page lists and describes attributes for the Network (net) kernel subsystem. Refer to the sys_attrs(5) reference page for an introduction to the topic of kernel subsystem attributes. Enables (1) or disables (0) traffic control on all network interfaces on the system. Default value: 0 (disabled) Minimum value: 0 Maximum value: 1 Maximum number of mbufs enqueued on an interface's output queue before packets are dropped. Default value: 1024 (bytes) Minimum value: 1024 Maximum value: 65535 The default maximum transmission unit (MTU) for all loopback (lo) interfaces. Default value: 4096 (bytes) Minimum value: 68 Maximum value: 65535 Maximum number of loopback (lo) interfaces on a system. The interfaces are numbered sequentially starting with 0 (for example, lo0). Default value: 1 (interface) Minimum value: 1 Maximum value: 16581375 (or until memory is exhausted) Enables (1) or disables (0) fair allocation of netisr protocol threads. When enabled (1), only 1 netisr thread runs for each proto- col queue. Default value: 1 (enabled) Minimum value: 0 Maximum value: 1 The priority of the netisr protocol threads. Default value: 33 Minimum value: 0 Maximum value: 63 Number of network threads configured in a system. Default value: n (Based on the number of CPUs in a system. For a system with one processor, the value is 1. For a multiprocessing system, the value is 1 plus the number of processors.) Minimum value: 1 Maximum value: 50 Number of packets (packet threshold) above which another netisr thread is started. Default value: 1 (packet) Minimum value: 1 Maximum value: INT_MAX, or 2 billion Number of packet filter devices on a system. Default value: 256 (devices), if PACKETFILTER option is configured in the kernel; otherwise, 0 Minimum value: 256 Maximum value: 4096 Number of serial line internet protocol (SLIP) lines. Default value: 1 (line) Minimum value: 1 Maximum value: 50 Depth of the kernel cache used by the screend facility. Default value: 8 (entries) Minimum value: 8 Maximum value: 16 Width of the kernel cache used by the screend facility. Default value: 8 (entries) Minimum value: 8 Maximum value: 4096 Maximum number of packets pending allowed in the screend facility queue. Default value: 32 (packets) Minimum value: 32 Maximum value: 16384 SEE ALSO
sys_attrs(5) System Configuration and Tuning sys_attrs_net(5)
