How do I force the speed and/or duplex of my network interfaces (ndd(1M) doesn't work)?

How do I force the speed and/or duplex of my network interfaces (ndd(1M) doesn't work)?

No x86 driver can be interfaced via ndd(1M).
The only way to set speed/duplex is via the NIC's driver.conf(4).
iprb(7D) on Solaris 8 suggests that you can specify speed/duplex for
multiple instances via ForceSpeedDuplex option.
For other drivers, you'll need to specify each instance per driver.conf(4).
Finally, for most people, auto-negotiating works as expected.
Having to hard-code values may indicate cabling or switch problems.


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