Getting link down on the UCS FI6248 side when connecting an Uplink port to a WS-C3560X.
Error on FI6248:
descr="ether port 1/1 on fabric interconnect A oper state: link-down, reason: Link failure or not-connected"
Configuration on WS-C3560X (showing Gi0/1 as UP/UP)
interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
speed 1000