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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sizing and vm/app controller

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  • 1.  sizing and vm/app controller

    Posted Jun 08, 2021 08:13 AM

    We are going from an instant deployment to a aruba controller solution with dynamic segmentation on both wireless and switch.

    We have about 2000 access points and 1000 aruba switches.

    So what to buy? either we go for the app controller with 3 x 7240XM/7280 or controller vm, we need ha so 1 can go down and the rest can take over with all the devices thats why we need 3 x app, but if the vm can take more thats better.

    what are the sizing for the vm, how many devices (AP/SW) can a vm have cause on the website it say 1000 and in the sizing guide it say 1 vm can take 4000 with the right license of course.

    Pros/cons on the vm and the app?

    Morten Johannsen

  • 2.  RE: sizing and vm/app controller
    Best Answer

    Posted Jun 08, 2021 08:57 AM
    Sizing for the VMs is in the online-documentation (check Table 3). Pro for physical appliances is the predictable performance and hardware acceleration. With VMs you need to make sure not to oversubscribe your hypervisor.

    Best is to work with your Aruba partner to the optimal solution for your situation. For this size of a project, I would benefit from the knowledge of your partner.

    Herman Robers
    If you have urgent issues, always contact your Aruba partner, distributor, or Aruba TAC Support. Check https://www.arubanetworks.com/support-services/contact-support/ for how to contact Aruba TAC. Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba Networks.

    In case your problem is solved, please invest the time to post a follow-up with the information on how you solved it. Others can benefit from that.

  • 3.  RE: sizing and vm/app controller

    Posted Jun 08, 2021 09:08 AM
    Hi Herman.

    Will do, we got a meeting in about 14 days with Aruba denmark, just wanted to make sure the vm could take more than 1000 device, cause the good thing with vm is you can add more when needed, yeah i saw the no oversubs on the hardware on the vm.


    Morten Johannsen