Tunable network parameters on Solaris

Description

Tunable network parameters on Solaris

You can tune the following Solaris network parameters to resolve some or all of your network issues:

tcp_recv_hiwat

Specifies the default TCP receive window size, in bytes.

tcp_xmit_hiwat

Specifies the default TCP send window size, in bytes.

tcp_max_buf

Specifies the maximum TCP buffer size, in bytes.

tcp_cwnd_max

Specifies the maximum value of the TCP congestion window, in bytes.

tcp_rexmit_interval_min

Specifies the default TCP minimum retransmission time-out value, in milliseconds.

udp_xmit_hiwat

Specifies the default maximum UDP socket datagram size, in bytes.

udp_xmit_lowat

Specifies the default minimum UDP socket datagram size, in bytes.

udp_recv_hiwat

Specifies the default maximum UDP socket receive buffer size, in bytes.

udp_max_buf

Specifies the how large send and receive buffers can be for a UDP socket, in bytes.

You can tune these parameters by using the ndd command.

See the ndd(1M) manual page.

See Tuning the operating system network parameters

Terms of use for this information are found in Legal Notices.

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