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Radius timeout to NPS from instant

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  • 1.  Radius timeout to NPS from instant

    EMPLOYEE
    Posted Jul 12, 2013 07:15 AM

    HI,

     

    Frustratingly my NPS server is not responding to Radius request or tests from my Instant AP, 6.2.1.0-3.3.0.2

     

    It has been added as Radius client with correct shared key etc etc.  The server responds to the test from my controller.

     

    Wireshark shows that packets coming in, but there is no response.  Have tried disabling 'radius proxy' as well, and added the IAP ip, but same result.

     

    Sort of stuck with why this is not working.  Any thoughts?



  • 2.  RE: Radius timeout to NPS from instant

    EMPLOYEE
    Posted Jul 12, 2013 08:42 AM

    Are you using a client to test radius authentication on instant?

     



  • 3.  RE: Radius timeout to NPS from instant

    EMPLOYEE
    Posted Jul 12, 2013 08:48 AM

    client and also from the CLI on the instant.  I've not seen this before, so is indeed strange.



  • 4.  RE: Radius timeout to NPS from instant

    EMPLOYEE
    Posted Jul 12, 2013 09:04 AM

    In the EventViewer on the Radius Server, look at the Custom NPS log to see if it is getting there, or if it is even being processed.

     



  • 5.  RE: Radius timeout to NPS from instant

    EMPLOYEE
    Posted Jul 12, 2013 09:21 AM

    nothing in event viewer and doesn't look like being processed.  I do see the events for the controller radius hits.

     

    Tried rebooting the Instant and also the NPS, but same thing.



  • 6.  RE: Radius timeout to NPS from instant

    EMPLOYEE
    Posted Jul 12, 2013 09:23 AM

    It "looks" like a network issue.  If you have wireshark on the server and it sees the incoming traffic, it is up to the server to process it.  If you do not see it coming into the server via wireshark, you need to look closer to the IAP and see what could be blocking it.

     



  • 7.  RE: Radius timeout to NPS from instant

    EMPLOYEE
    Posted Jul 12, 2013 09:46 AM

    The packets are hitting the NPS, but not being processed.  Just can't figure out why.



  • 8.  RE: Radius timeout to NPS from instant

    EMPLOYEE
    Posted Jul 12, 2013 09:47 AM

    Is NPS listening on the wrong ports?



  • 9.  RE: Radius timeout to NPS from instant

    EMPLOYEE
    Posted Jul 12, 2013 09:49 AM

    D'oh.....schoolboy error.

     

    Yes, you are correct, I changed the ports a few weeks ago.

     

    Thanks

     

    :smileyhappy: