SUMMARY: How to set Solaris 10 tcp tuning parameters to last thru reboot?

From: Judith Reed <reedj_at_upstate.edu>
Date: Tue Jul 27 2010 - 17:10:49 EDT
I asked how, in Solaris 10, to make the following parameters persist thru
reboots - putting them in /etc/system no longer seems to work:

set tcp:tcp_conn_req_max_q0=4096
set tcp:tcp_conn_req_max_q=1024

Thanks to all for the quick responses.

* A number of people suggested creating an /etc/rc2.d/S* (or possibly
rc3.d) script with the ndd commands, as in:
/etc/rc2.d/S05netconfig
      #!/bin/sh
       ndd -set /dev/tcp tcp_conn_req_max_q0 4096
       ndd -set /dev/tcp tcp_conn_req_max_q 1024

  and one respondent pointed me to this related reference
                                "As per CISecurity tcp stack hardening
discussions  
                                  (http://www.cisecurity.org)"

* I received a pointer to this possible solution:
http://www.sunmanagers.org/pipermail/summaries/2006-March/007189.html 
but I don't see anywhere in the referenced script it that seems to invite
user settings, so I decided against it.

Regards;
J. Reed


Judy Reed
UNIX systems administrator
reedj@upstate.edu
work: 315-464-4104
cell: 315-956-2571
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Received on Tue Jul 27 17:12:28 2010

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