I have two nexus 5548's configured as a vPC peers and two ucs 6120's configure in a cluster. The 5548's are connected to two catalyst 6500 via trunks that are in a VSS configuration. My question is, i have the ucs 6120 managment 0 ports connected to the 5k's, 6120-A mgmt0 to 5k-1 and 6120-B to 5k-2, everytime i fail the ucs 6120-A (primary) i lose ping to the cluster ip and can't manage ucs 6120-B at all even though it is pingable. Below are snippets on how the management ports are configured on the 5K's. Any Idea's?
nx5k-1
interface Ethernet1/13
description 6120-A:MGMT0
switchport mode trunk
switchport trunk native vlan 100
switchport trunk allowed vlan 100
speed 1000
channel-group 12 mode active
interface port-channel12
description 6120:A:MGMT
switchport mode trunk
vpc 12
switchport trunk native vlan 100
switchport trunk allowed vlan 100
spanning-tree port type network
speed 1000
nx5k-2
interface Ethernet1/13
description 6120-B:MGMT0
switchport mode trunk
switchport trunk native vlan 100
switchport trunk allowed vlan 100
speed 1000
channel-group 12 mode active
interface port-channel12
description 6120:B:MGMT
switchport mode trunk
vpc 12
switchport trunk native vlan 100
switchport trunk allowed vlan 100
spanning-tree port type network
speed 1000
