[ethtool] Link detected: no but link plugged
geslinux at gmail.com
Fri Feb 24 17:19:30 EST 2012
On Feb 24, 2012 9:41 a.m., "GouNiNi Geekarea" <gounini at geekarea.fr> wrote:
> # ethtool eth4 | grep "Link detected"
> Link detected: no
> # ifconfig eth4 up && sleep 2 && ethtool eth4 | grep "Link detected"
> Link detected: yes
> Maybe this is normal, but my link was plugged before my first command.
> For me, link detected means "link is plugged". For ethtool, it means
"link is plugged and interface is up".
> Do you think my understood is wrong or it is ethtool words ?
> .`'`. GouNiNi
> : ': :
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Plugged does not mean the link must be up. Interfaces need to negotiate
link parameters. Once negotiation is complete and sucessful, the link is up.
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