Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
See this in your logs known bug are you on 5.1(3)N1(1)https://tools.cisco.com/bugsearch/bug/CSCtz46192/?referring_site=bugquickviewredir Is the Fex fully working on both switchs when you compare itIs the vlan created at layer 2 on both switches