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Sun™ ONE Messaging Server: Practices and Techniques for Enterprise Customers by Dave Pickens

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Solaris OE

This section covers the following topics:

  • Setting TCP/IP Parameters

  • Setting tcp_local_option and tcp_ internet_option File Parameters

  • Setting /etc/system Parameters

  • Setting configutil Parameters

▾ Setting TCP/IP Parameters

  • Apply the following TCP/IP tuning settings to all mail servers. These settings may also be appropriate for LDAP servers. The values of these settings are for high-speed networks with lots of traffic to and from the servers.
    # ** Performance related **
    /usr/sbin/ndd -set /dev/tcp tcp_recv_hiwat 65536
    								/usr/sbin/ndd -set /dev/tcp tcp_xmit_hiwat 65536
    								/usr/sbin/ndd -set /dev/tcp tcp_conn_req_max_q 4096
    								/usr/sbin/ndd -set /dev/tcp tcp_conn_req_max_q0 8192
    								/usr/sbin/ndd -set /dev/tcp tcp_smallest_anon_port 8192
    								/usr/sbin/ndd ...

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