[CentOS] 6.x - find interface with link up
m.roth at 5-cent.us
m.roth at 5-cent.us
Thu Dec 15 21:39:05 UTC 2011
Les Mikesell wrote:
> On Thu, Dec 15, 2011 at 2:56 PM, <m.roth at 5-cent.us> wrote:
>> Les Mikesell wrote:
>>> In earlier versions 'mii-tool' would iterate over interfaces and show
>>> which have link up. In 6.x it wants an interface as a parameter.
>>> What is the appropriate way to find which of some number of of
>>> interfaces are connected? Better yet, what is the least typing to
>>> get the mac addresses of those interfaces?
>>
>> ethtool, or even lshw.
>
> How do you make ethtool iterate over the available interfaces?
I suppose that would be a script. lshw - which is clearer than just
dmidecode, would do it.
Dumb question: in /etc/sysconfig/network-scripts, do the ifcfg-* have
HWADDRs?
mark
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