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Nexus 5548UP and UCS 6120's

GSuarez0514_2
Level 1
Level 1

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

4 Replies 4

Jeremy Waldrop
Level 4
Level 4

you need to configure UCS management failover monitoring

http://www.cisco.com/en/US/docs/unified_computing/ucs/sw/gui/config/guide/2.0/b_UCSM_GUI_Configuration_Guide_2_0_chapter_0101010.html#concept_8EFB3986365C4F69A6C3B9BBC14D16FE

Sent from Cisco Technical Support iPad App

nks for the quick reply.  I have setup management failover monitoring but when i failover from 6120-A to 6120-B i still lose ping to the cluster ip and all of management.

How do you have it configured? It can take a few minutes or more depending on the configuration

Jeremy Waldrop
Level 4
Level 4

Wait a minute, I just noticed that you have your management interfaces in a port channel and vPC?

Those should be setup as standalone access ports, there isn't a UCS side configuration to place those into a port channel. They are on different Fabric Interconnects anyway.

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