Wireless Access

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Access network design for branch, remote, outdoor and campus locations with Aruba access points, and mobility controllers.
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How does Virtual Controller generate passphrase?

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  • 1.  How does Virtual Controller generate passphrase?

    Posted May 15, 2018 03:45 AM



    The following thing happened to my virtual mobility controller:


    I have a standalone mobility controller running on an Esxi in a vlan 30 virtual switch. I moved the controller to the vlan 40, and gave it an ip adress from that ip range, and changed the default gateway too. After doing some tests, I moved the controller back into the vlan 30, and changed the ip adress back to the vlan 30 range (actually the same ip as before). Then I tried connecting an AP to it (the same AP that was once provisioned by that controller) and the AP wouldn't broadcast its SSID-s. After checking the AP I discovered that the controller is unlicenced.


    I still had 10 days on my eval licence. I tried to reupload the eval licence I got for the controller, when it gave me a passphrase mismatch. So by moving the controller to a different vlan, the passphrase somehow changed.


    The question is, why did the controller loose its licences, and why did the passphrase change?


    Its a demo controller, so applying for a new eval licence is no biggie, but in a production environment this would be a problem. 


    Could someone help?


    Daniel Katai

  • 2.  RE: How does Virtual Controller generate passphrase?

    Posted Jun 14, 2018 05:37 AM

    Simular issue in that a valid trial license is no longer installed and cant reinstall it as the passpahse has changed.

  • 3.  RE: How does Virtual Controller generate passphrase?
    Best Answer

    Posted Jun 14, 2018 05:51 AM

    The Passphrase is generated using UUID parameter which is supposed to be unique for each VM device. Each virtual machine is automatically assigned a universally unique identifier (UUID). Did the UUID change when you was swapping between VLAN's?


    #show license passphrase
    #show inventory