echo " tcp_conn_grace_period = \c"
/usr/sbin/ndd -get /dev/tcp tcp_conn_grace_period

echo " tcp_conn_req_max_q = \c"
/usr/sbin/ndd -get /dev/tcp tcp_conn_req_max_q

echo " tcp_conn_req_max_q0 = \c"
/usr/sbin/ndd -get /dev/tcp tcp_conn_req_max_q0

echo " tcp_conn_req_min = \c"
/usr/sbin/ndd -get /dev/tcp tcp_conn_req_min

echo " tcp_cwnd_max = \c"
/usr/sbin/ndd -get /dev/tcp tcp_cwnd_max

echo " tcp_debug = \c"
/usr/sbin/ndd -get /dev/tcp tcp_debug

echo " tcp_xmit_hiwat = \c"
/usr/sbin/ndd -get /dev/tcp tcp_xmit_hiwat

echo " tcp_recv_hiwat = \c"
/usr/sbin/ndd -get /dev/tcp tcp_recv_hiwat

echo " tcp_keepalive_interval = \c"
/usr/sbin/ndd -get /dev/tcp tcp_keepalive_interval

echo " tcp_ip_abort_interval = \c"
/usr/sbin/ndd -get /dev/tcp tcp_ip_abort_interval

echo " tcp_rexmit_interval_max = \c"
/usr/sbin/ndd -get /dev/tcp tcp_rexmit_interval_max

echo " tcp_time_wait_interval = \c"
/usr/sbin/ndd -get /dev/tcp tcp_time_wait_interval

echo " tcp_smallest_nonpriv_port = \c"
/usr/sbin/ndd -get /dev/tcp tcp_smallest_nonpriv_port


echo " tcp_ip_abort_cinterval  = \c" 
/usr/sbin/ndd -get /dev/tcp tcp_ip_abort_cinterval  


echo " tcp_ip_abort_linterval  = \c"
/usr/sbin/ndd -get /dev/tcp tcp_ip_abort_linterval 


echo " tcp_ip_notify_cinterval = \c"
/usr/sbin/ndd -get /dev/tcp tcp_ip_notify_cinterval


echo " tcp_ip_notify_interval = \c"
/usr/sbin/ndd -get /dev/tcp tcp_ip_notify_interval


echo " tcp_ipv4_ttl  = \c"        
/usr/sbin/ndd -get /dev/tcp tcp_ipv4_ttl         


echo " tcp_maxpsz_multiplier = \c"
/usr/sbin/ndd -get /dev/tcp tcp_maxpsz_multiplier


echo " tcp_mss_def_ipv4 = \c"    
/usr/sbin/ndd -get /dev/tcp tcp_mss_def_ipv4    


echo " tcp_mss_max_ipv4 = \c"   
/usr/sbin/ndd -get /dev/tcp tcp_mss_max_ipv4   


echo " tcp_mss_min = \c"       
/usr/sbin/ndd -get /dev/tcp tcp_mss_min       


echo " tcp_naglim_def = \c"   
/usr/sbin/ndd -get /dev/tcp tcp_naglim_def   


echo " tcp_rexmit_interval_initial = \c"
/usr/sbin/ndd -get /dev/tcp tcp_rexmit_interval_initial


echo " tcp_rexmit_interval_min = \c"   
/usr/sbin/ndd -get /dev/tcp tcp_rexmit_interval_min   


echo " tcp_deferred_ack_interval = \c" 
/usr/sbin/ndd -get /dev/tcp tcp_deferred_ack_interval 


echo " tcp_snd_lowat_fraction = \c"   
/usr/sbin/ndd -get /dev/tcp tcp_snd_lowat_fraction   


echo " tcp_sth_rcv_hiwat = \c"       
/usr/sbin/ndd -get /dev/tcp tcp_sth_rcv_hiwat       


echo " tcp_sth_rcv_lowat = \c"      
/usr/sbin/ndd -get /dev/tcp tcp_sth_rcv_lowat      


echo " tcp_dupack_fast_retransmit = \c"
/usr/sbin/ndd -get /dev/tcp tcp_dupack_fast_retransmit


echo " tcp_ignore_path_mtu = \c"      
/usr/sbin/ndd -get /dev/tcp tcp_ignore_path_mtu      


echo " tcp_rcv_push_wait = \c"       
/usr/sbin/ndd -get /dev/tcp tcp_rcv_push_wait       


echo " tcp_smallest_anon_port = \c" 
/usr/sbin/ndd -get /dev/tcp tcp_smallest_anon_port 


echo " tcp_largest_anon_port = \c" 
/usr/sbin/ndd -get /dev/tcp tcp_largest_anon_port 


echo " tcp_xmit_lowat = \c"       
/usr/sbin/ndd -get /dev/tcp tcp_xmit_lowat       


echo " tcp_recv_hiwat_minmss = \c"     
/usr/sbin/ndd -get /dev/tcp tcp_recv_hiwat_minmss     


echo " tcp_fin_wait_2_flush_interval = \c"
/usr/sbin/ndd -get /dev/tcp tcp_fin_wait_2_flush_interval


echo " tcp_co_min = \c"                  
/usr/sbin/ndd -get /dev/tcp tcp_co_min                  


echo " tcp_max_buf = \c"                
/usr/sbin/ndd -get /dev/tcp tcp_max_buf                


echo " tcp_strong_iss = \c"            
/usr/sbin/ndd -get /dev/tcp tcp_strong_iss            


echo " tcp_rtt_updates = \c"          
/usr/sbin/ndd -get /dev/tcp tcp_rtt_updates          


echo " tcp_wscale_always = \c"       
/usr/sbin/ndd -get /dev/tcp tcp_wscale_always       


echo " tcp_tstamp_always = \c"      
/usr/sbin/ndd -get /dev/tcp tcp_tstamp_always      


echo " tcp_tstamp_if_wscale = \c"       
/usr/sbin/ndd -get /dev/tcp tcp_tstamp_if_wscale       


echo " tcp_rexmit_interval_extra = \c"   
/usr/sbin/ndd -get /dev/tcp tcp_rexmit_interval_extra   


echo " tcp_deferred_acks_max = \c"        
/usr/sbin/ndd -get /dev/tcp tcp_deferred_acks_max        


echo " tcp_slow_start_after_idle = \c"   
/usr/sbin/ndd -get /dev/tcp tcp_slow_start_after_idle   


echo " tcp_slow_start_initial = \c"     
/usr/sbin/ndd -get /dev/tcp tcp_slow_start_initial     


echo " tcp_co_timer_interval = \c"     
/usr/sbin/ndd -get /dev/tcp tcp_co_timer_interval     


echo " tcp_sack_permitted = \c"       
/usr/sbin/ndd -get /dev/tcp tcp_sack_permitted       


echo " tcp_trace = \c"               
/usr/sbin/ndd -get /dev/tcp tcp_trace               


echo " tcp_compression_enabled = \c"      
/usr/sbin/ndd -get /dev/tcp tcp_compression_enabled      


echo " tcp_ipv6_hoplimit = \c"           
/usr/sbin/ndd -get /dev/tcp tcp_ipv6_hoplimit           


echo " tcp_mss_def_ipv6 = \c"           
/usr/sbin/ndd -get /dev/tcp tcp_mss_def_ipv6           


echo " tcp_mss_max_ipv6 = \c"          
/usr/sbin/ndd -get /dev/tcp tcp_mss_max_ipv6          


echo " tcp_rev_src_routes = \c"       
/usr/sbin/ndd -get /dev/tcp tcp_rev_src_routes       


echo " tcp_ndd_get_info_interval = \c"    
/usr/sbin/ndd -get /dev/tcp tcp_ndd_get_info_interval    


echo " tcp_wroff_xtra = \c"              
/usr/sbin/ndd -get /dev/tcp tcp_wroff_xtra              


echo " tcp_extra_priv_ports = \c"       
/usr/sbin/ndd -get /dev/tcp tcp_extra_priv_ports       


#echo " tcp_extra_priv_ports_del = \c"  
#/usr/sbin/ndd -get /dev/tcp tcp_extra_priv_ports_del  


#echo " tcp_status = \c"               
#/usr/sbin/ndd -get /dev/tcp tcp_status               


echo " tcp_time_wait_stats = \c"     
/usr/sbin/ndd -get /dev/tcp tcp_time_wait_stats     


#echo " tcp_1948_phrase = \c"        
#/usr/sbin/ndd -get /dev/tcp tcp_1948_phrase        


echo " tcp_reserved_port_list = \c" 
/usr/sbin/ndd -get /dev/tcp tcp_reserved_port_list 


create a file /etc/rc2.d/S68network-tuning containing the following:

ndd -set /dev/tcp tcp_conn_req_max_q 2048
ndd -set /dev/tcp tcp_conn_req_max_q0 2048