Is possible let activate domain multi UCS VM - FEX and sign up for the same vCenter

Hi Experts,

We have 7 domain UCS. But only a vCenter. Now, we want to enable VM - FEX on each UCS area and sign up for the same vCenter. Is - it work? I have found no description limit configuration on this relationship.

Or we create 7 vCenter for each UCS area? (But I think it's not sense.)

Best regards
Meng-Yuan Hsieh (Nick)

Hi Moua!

I open a TAC case on that, and after that many discussions with Cisco, connecting several areas a single vCenter UCS is supported.  However, it turns out that Cisco failed to document this and how to make it work.  You will find that the procedures were written in old documentation for VN-LINK and others for VM - FEX.  This documentation shows that it is necessary to create new certificates, and it must match the key to expansion.  This is NOT true nor with the new versions of UCSM and vCenter.  Cisco, said they will update their documentation.

Here are the steps that we took to connect two UCS areas for the same vCenter using default self-signed certificates.  I hope this helps...  Please mark this message as the right answer when you get a chance.  Thank you!!

vCenter Version: 5.5

UCSM Version: 2.2(5a)

  1. On the VM in UCS Manager tab, click VMware.
  2. Set up a key of the unique extension for every area of UCS.
  3. Click on "Configure VMware integration" on each area of UCS and export expansion of local storage.
  4. Install each UCS domain extensions in vCenter.
  5. After you install the extensions, back to UCSM and click Next where you left off in configure integration with VMware
  6. Run the wizard and after that it's over, areas of the UCS should now be connected to the vCenter.

Tags: Cisco DataCenter

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