On 10/13/2016 5:57 PM, Steven Tardy wrote: >> On Oct 12, 2016, at 12:26 AM, John R Pierce <pierce at hogranch.com> wrote: >> >> the switch ports kept going offline on us. > Not finding anything exactly like this... Closest I could find is CSCuu81949 > > Open a Cisco TAC case and upload a Nexus 9000 tech support (`tac-pac`) to investigate further. > > Is "port security" enabled on these ports? I don't know, asking LAN operations > Does this port double as a LOM/IPMI port? no, boards have dedicated IPMI port, which doesn't go offline > What driver is being used `ethtool -i eth#`? e1000m > Any OS bonding? no > Any switch port-channel/vPC? I don't believe so. > That NIC chipset is a few years old so it's not like that NIC/OS/switch is a combo that hasn't been tried/tested. yeah, about as bog stock normal a config as I've seen. -- john r pierce, recycling bits in santa cruz