Tcp/ip stack – Oracle Audio Technologies Sun Oracle SunDual 10GbE XFP User Manual

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Chapter 5

Configuring the nxge Device Driver Parameters


▼ To Obtain Higher Throughput Using the Generic

Tunables for the Solaris TCP/IP Stack

To obtain higher throughput, add the following to a startup script:

ndd -set /dev/tcp tcp_conn_req_max_q 8192

ndd -set /dev/tcp tcp_conn_req_max_q0 8192

ndd -set /dev/tcp tcp_max_buf 4194304

ndd -set /dev/tcp tcp_cwnd_max 2097152

ndd -set /dev/tcp tcp_recv_hiwat 400000

ndd -set /dev/tcp tcp_xmit_hiwat 400000