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SubjectRe: Carrier detection for network interfaces
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Date
On Sat, 2003-11-15 at 22:40, Jeff Garzik wrote:
> Martin Schlemmer wrote:
> > On Sat, 2003-11-15 at 18:22, Jeff Garzik wrote:
> >
> >>Martin Schlemmer wrote:
> >>
> >>>Is there any proper way to detect a carrier signal with network
> >>>interfaces ? I have recently come across a problem where we tried
> >>>to do with with checking for 'RUNNING', which do not work for all
> >>>drivers, as well as mii-tool that fails in some cases.
> >>
> >>
> >>What kernel version?
> >>
> >>In 2.6 you have linkwatch. In 2.4 and 2.6, you have ETHTOOL_GLINK, and
> >>mii-tool.
> >>
> >
> >
> > Anything more shell accessible (sysfs/proc) ?
>
>
> ethtool is shell accessible.
>

Yep, thanks. Was just wondering if there was a way
that did not depend on additional tools beyond cat,
sed, grep, etc.


Thanks,

--
Martin Schlemmer

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