Hello yuhuiyao,The Nexus feature availability depends upon the licensing. I believe you would need to purchase an Enterprises Services Pakage license to run GRE and EIGRP. Here is the link to the complete licensing guide, incase you would like to kno...

Hello Hunt,Just to add up on David's reply above. You can find the complete documentation on configuring OTV here : http://www.cisco.com/en/US/docs/ios-xml/ios/wan_otv/configuration/xe-3s/wan-otv-confg.htmlHope this helps

Hey Dwayne, Great to know this. Incase you perform some upgrade later. Please make sure of following gotcha's. For the complete  Trobleshooting guide, you can find here : http://www.cisco.com/en/US/docs/unified_computing/ucs/ts/guide/UCSTroubleshooti...

Hello Fahad,Please find the following troubleshooting guide : http://www.cisco.com/en/US/docs/unified_computing/ucs/ts/guide/UCSTroubleshooting.pdfThis should be helpful for you to resolving RAID related issues. It also contains other Common UCS C an...

Hello Mehmet,Please consider following issues :Please browse to following page for more infomation :http://www.cisco.com/en/US/docs/unified_computing/ucs/ts/guide/UCSTroubleshooting.pdfRegards