IntraServer Technology ITI-90-100250 - Manual (Page 61)

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Use the ndd (1M) utility to temporarily change a parameter. This
change is lost when you reboot the system.
Refer to the Platform Notes: The qfe Fast Ethernet Device Driver document
for more information on configuring driver parameters. This document is
also available on the Solaris™ AnswerBook.
Increasing TCP/IP performance
You can increase the TCP/IP performance of the ITI-8241C-S qfe adapter by
changing the TCP highwater mark to 64K. This can be done with the ndd
(1M) utility as follows.
As superuser, type:
# ndd –set /dev/tcp tcp_xmit_hiwat 65535
# ndd –set /dev/tcp tcp_recv_hiwat 65535
# ndd –set /dev/tcp tcp_cwnd_max 65534
The changes will take effect immediately and affect all system networking
interfaces.
Manually Specifying 10Mbps or 100Mbps
Connection
If you need to manually specify the speed of the network your ITI-8241C-S
adapter is on, use the following process at the ok prompt:
Find the hme device from the ok prompt:
ok show-devs
Find the full name of the hme you want to boot, for example:
/pci@1f,0/pci@1/pci@2/IntraServer,qfe@0,1
Type:
ok nvedit
Type the following, press the return key at the end of line 0:
0: probe-all install-console banner
1: apply transfer-speed=10
/pci@1f,0/pci@1/pci@2/IntraServer,qfe@0,1
Note: To specify 100Mbit/sec operation, apply transfer-
speed=100
Press the Control-C keys after typing