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14 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 ok 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 0:
4. Press the Control-C keys after typing <full path name of the hme device>.
Note – In the above example, the speed is forced to 10 Mbps. To force the speed to
100 Mbps, replace 10 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 <full path name of the hme device>