To increase tcp/ip performance, Forcing network speed between 10 mbps and 100mbps, Forcing network speed between 10 mbps and 100 mbps – Sun Microsystems Sun FastEthernet PCI Adapter 805-1759-10 User Manual

Page 26

Sun FastEthernet PCI Adapter Installation and User’s Guide • July 1997

▼

To Increase TCP/IP Performance

●

As superuser, type:

The changes will take effect immediately and affect all system networking interfaces.

Forcing Network Speed Between 10 Mbps and
100 Mbps

▼

To Force Network Speed Between 10 Mbps and 100 Mbps

1. At the

prompt, use the

show-devs

command to list the system devices.

The full path name of the

hme

device, similar to this example, is displayed:

2. Type:

3. Type the following, pressing the Return key at the end of line

4. Press the Control-C keys after typing .

Note –

In the above example, the speed is forced to 10 Mbps. To force the speed to

100 Mbps, replace

with

100

# ndd -set /dev/tcp tcp_xmit_hiwat 65535

# ndd -set /dev/tcp tcp_recv_hiwat 65535

# ndd -set /dev/tcp tcp_cwnd_max 65534

/pci@1f,2000/SUNW,hme@1,1

ok nvedit

0: probe-all install-console banner

1: apply transfer-speed=10