I recently updated my vmware hosts from 6.5 U1 to U3. The hosts are Dell R620 with Intel i350-t4 NICs. For the most part all is well, but I have two hosts with frequent flapping (link down/up). Anyone else come across this?
I should mention one host is in an offsite DC so I haven't changed the patch cable. The other host however I've changed the patch cable, patch panel location, switch port...