[clug] Gigabit networks - what speed is it really running at?

Steve Walsh steve at nerdvana.org.au
Mon Jan 4 22:08:12 MST 2010

Adam Baxter wrote:
> Hi all,
> I've got two gigabit-capable devices here, but how do I find out if
> they're running at 100 or 1000mbit, full or half duplex? I swear there
> used to be an entry in dmesg for it, but I can't find anything in
> dmesg, /var/log, or ifconfig. Am I missing something really simple
> here?
> --Adam

Steve Walsh
Vice President / SysAdmin Team member- Linux Australia
Networks and Technology - Linux.conf.au 2008
Evil Network bunny - Linux.conf.au 2009
Geek Emeritus (you fool! You glorious fool!) - Linux.conf.au 2010
I can neither confirm nor deny - Linux.conf.au 2011

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