So the problem is the IOS version ..!I'm going to inform my IT group about it Because we are going to make a lab with routers and switchesI found this post useful somehow Sent from Cisco Technical Support iPhone App

Hope you find more information on this link http://www.cisco.com/en/US/products/ps7078/index.htmlType in the search :Cisco switch 3560 e series orCisco switch 3560 x series Sent from Cisco Technical Support iPhone App