[CentOS] network running at 10 or 100, how to tell -- MII v. GBIC

Wed Jan 4 15:34:04 UTC 2006
Bryan J. Smith <thebs413 at earthlink.net>

Dennis Gilmore <dennis at ausil.us> wrote:
> mii-tool  doesnt give you gigabit speeds  it will work for
> 10/100  not 
> 10/100/1000 

Correct, because the Media Independent Interface (MII) PHY
(physical chip) specification pre-dates GbE.  It was designed
for FE.

Ethtool works with the newer GigaBit Interface Converter
(GBIC) PHY specification.

Bryan J. Smith     Professional, Technical Annoyance                      b.j.smith at ieee.org      http://thebs413.blogspot.com
*** Speed doesn't kill, difference in speed does ***