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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Mac Authentication Problem

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  • 1.  Mac Authentication Problem

    Posted Jan 31, 2014 12:53 PM

    Hey all, I have a MAC authentication question.

    I have set up a SSID and created the appropriate firewall policies (Which work) however I also want to add a layer of security with Mac Authentication.

    I have MAC Auth enforced and the initial Role set to "Denyall". Basically if the MAC addy is not in the Internal DB then they should have the inital role set to them and they cannot do anything. Problem is, im testing on a computer first that is not in the Database and it is still allowing me to access whatever I would usually access (If i was authenticated)

    Any help would be greatly appreciated!

  • 2.  RE: Mac Authentication Problem

    Posted Jan 31, 2014 01:54 PM


    Can you please shared your config ?


    show rights <intial role>

    show aaa profile <mac auth profile>

  • 3.  RE: Mac Authentication Problem

    Posted Jan 31, 2014 01:57 PM

    Do you have a MAC Auth Profile and MAC Auth Server group set in your AAA profile that is configured for the virtual ap?

  • 4.  RE: Mac Authentication Problem

    Posted Jan 31, 2014 02:18 PM

    Yes, both Mac Authentication Profile and MAC Authentication Server Group are configured.

    AAA Profile Config


    Initial Role: denyall


    MAC Authentication Default Role: Development-Access


    Enforce Machine Authentication: Yes

  • 5.  RE: Mac Authentication Problem
    Best Answer

    Posted Jan 31, 2014 02:19 PM

    I have ran into situations where a device had a previous successful authentication and the controller "remembered" the device. I had to manually kick the client for the network. After that it worked normally.


    Like Cappalli mentioned you will need to configure these parameters so the controller will know how to process the request and where to look for the entry.


    The Server group configuration:


    server group.PNG


    The MAC profile configuration:


    mac auth.PNG


    After creating these you can apply them to your AAA profile:


    appling aaa.PNG

  • 6.  RE: Mac Authentication Problem

    Posted Jan 31, 2014 02:30 PM

    You should turn off enforce machine authentication. This is only used for 802.1x with AD-joined machines.

  • 7.  RE: Mac Authentication Problem

    Posted Jan 31, 2014 02:45 PM


    You were right, had to kick off the client and then it worked.