Did you have any response ?

Hi ,Thanks sneuser.i was had the same issue and the restart solve this problem.thanks you

Hi Leo ,i tested the IOS version 12.2(55)SE7 , but we have still the problem I suspect a hardware is...

Hi LeoI tried to upgrade to 150-2.SE3 but we still have have the issue. thanks

Hi ,yes i try different SFP ( SFP works perfectly in other Switch with the same type) the SFP is for...

Hi Reza ,thank you for your replyDoes the problem go away if you take the SFP module out? => yes exa...

hi ,after insertion of SFP module in the Switch i have messages bellow and the switch hangs after co...

Hi ,when i activate "flowcontrol " on the interface ( by the command flowcontrol receive on) i notic...

Hi ,Yes the qos is disabled in the switch.Sent from Cisco Technical Support Android App

hi , i have found it interface Gi 1/0/1flowcontrol receive on flowcontrol send on i will test that a...

Ok , thank you for all this explanationso it 's possible to enable flow-control in the switch 2960s ...

Hi ,thank you Paolo ,@leolaohoo , but i have drops in the interfaces although the utilization is 20%...

Hi ,thank all for your help .how i can increase the buffer in the interfaces and or drop management ...

Hi ,can you explain more about micro-bursts and how i can solve this issue.thank you

Hi Paolo ,no , the QOS is disable in the Switch. really this issue drive me crazy !!!thanks