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Testing physical network connection

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Operating Systems Solaris Testing physical network connection
# 1  
Old 09-22-2005
Testing physical network connection
How do you test the physical network connection of an interface in solaris. I know that if you have an active connection and the cable gets yanked, you can look in the messages file to check for link failure messages. But is there any better way to see if you have good layer 2 connectivity?
# 2  
Old 09-22-2005
You can use the ndd command on most interfaces - basically, you set which interface you want to use and then check if it is up or down - other parameters can be checked also. See the man page.
ndd -set /dev/hme instance 0 #change hme and 0 to your type of interface & #
ndd -get /dev/hme link_status
0 is down, 1 is up
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