Dear Aleksandra,
I having same issue like this, please advise below version details;
switch7796d6#sh verSW version 1.3.7.18 ( date 12-Jan-2014 time 18:02:59 )Boot version 1.1.0.6 ( date 11-May-2011 time 18:31:00 )HW version V02switch7796d6#
May I k...