Sun Microsystems GigaSwift Ethernet Adapter Installation And User Manual page 75

Then you had to get the link status:
# ndd -get /dev/ce link_status
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Starting in the Solaris 9 Operating System, this method of determining the link
status is discouraged, and in some cases, it is removed completely as a driver
feature.
The new improved approach moves all read-only parameters from the ndd options
into kstat. This simplifies getting link status information by allowing you to do it
with one simple command.
To get the link status of a driver, type the following command:
# kstat ce:# | grep link_up
link_up
Where # = instance.
For more information about the kstat command, refer to the kstat man page.
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Chapter 4 Configuring Driver Parameters 53