Sorry for such long delay in writing the SUMMARY. The company I am
working at has been disconnected from provider for three weeks. So
I had to look through voluminous documentation and find appropriate
solution.
The only reply I have received was from Stefan Voss <s.voss@terradata.de>
-- He advised to look and edit file /sys/netinet/in_proto.c. There you find the following parameters:tcp_sendspace tcp_recvspace tcp_default_mss tcp_ttl
and some others. After modifying this file, you have to build a new kernel and reboot the machine.
--I manage Solbourne 700,900 servers running SunOS 4.1.2. And I found that TCP parameters have to be specified in /usr/kvm/sys/netinet/in_proto.c, so perhaps you will wish to make its original copy prior to editing one. The following TCP parameters could be set here:
tcp_keeplen (1) tcp_keepidle = 2-20 (14400 1/2sec) tcp_keepintvl = 2-20 (150 1/2sec) tcp_ttl = 30 (60 sec) tcp_sendspace = 65535 (4096*4) tcp_recvspace = 65535 (4096*4) tcp_default_mss = 2048 (512 bytes)
After building the kernel you can always see the values in running system.
Regards, Vitaly Beliaev
-=========================================================================- Vitaly Beliaev: Unix systems administrator JVSC MMK, RUSSIA e-mail: vit@mmk.ru voice: +7 (3511) 335639
if vegetarian prefers vegetables, then what's the snack for humanitarian? -=========================================================================-