Thx Marko, Stojanco Marko you are correct. I just surfed google and it seems some kind of bug. To fix, we need to disable the keepalives sent by the port using "*no keepalives*".
The issue has been fixed on my switch now. With regards Kings On Thu, Mar 4, 2010 at 8:11 PM, Marko Milivojevic <[email protected]>wrote: > On Thu, Mar 4, 2010 at 14:38, Marko Milivojevic <[email protected]> > wrote: > > On Thu, Mar 4, 2010 at 13:33, Kingsley Charles > > <[email protected]> wrote: > >> > >> 00:04:10: %ETHCNTR-3-LOOP_BACK_DETECTED: Loop-back detected on > >> FastEthernet1/0/21 > > > > This is not loop guard. You have the actual physical loop on the cable. > > Also, please take a look at the bug ID CSCea46385. It seems that there > was an issue that was resolved in a later revision of the IOS. > > -- > Marko Milivojevic - CCIE #18427 > Senior Technical Instructor - IPexpert > > Mailto: [email protected] > Telephone: +1.810.326.1444 > Fax: +1.810.454.0130 > R&S Video on Demand Demo: http://bit.ly/aFyrU4 > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com >
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