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Aruba Instant problems with internal captive portal

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  • 1.  Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 02:59 PM

    hi community,

     

    we have some iap 103 firmware Instant_Pegasus_6.4.2.0-4.1.1.0 running.

    I have 3 ssids on it, at all ssids the internal captive portal works but at the guest ssid it don´t work.

    I configured the captive portal with internal authentivated, but the instant can not redireict after the wifi connention to the captive portal.

    This ssid is on an extra guest vlan with only internet access...

     

    what ist wrong.

    why can the iap not redirect me to the captive portal?



  • 2.  RE: Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 03:05 PM

    Are you able to get an IP address ?

    What DNS IP are you getting on that VLAN ?

    Is this happens on any type of device ?



  • 3.  RE: Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 03:09 PM

    Are you able to get an IP address ? yes, right ip address...

    What DNS IP are you getting on that VLAN ? an  dns in  the internet (8.8.8.8)

    Is this happens on any type of device ? yes.



  • 4.  RE: Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 03:12 PM

    Do you have any restrictions on your ACL ?

     



  • 5.  RE: Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 03:14 PM

    no ACL



  • 6.  RE: Aruba Instant problems with internal captive portal

    EMPLOYEE
    Posted Oct 20, 2014 03:12 PM

    Can you do dns lookups when connected?  That is crucial for the captive portal to work.



  • 7.  RE: Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 03:17 PM

    i can not test the lookup now.

    why is this important?

    it redirects you internal to the securelogin.arubanetwork... right?

    If i can not do nslookup, what must I do?



  • 8.  RE: Aruba Instant problems with internal captive portal
    Best Answer

    Posted Oct 20, 2014 03:25 PM

    The DNS response from 8.8.8.8 is hijacked and redirected to the internal CP. 

     

    Try using 1.1.1.1 in the Guest browser URL.  Instant will redirect any IP address in the URL to the internal CP so you can verify that the CP is working.



  • 9.  RE: Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 03:34 PM

    ok, when I type 1.1.1.1 in the browser it don´t work.

    maybe the company firewall blocks the response from the dns server... I must test this.



  • 10.  RE: Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 03:37 PM

    If 1.1.1.1 doesn't work then something else is wrong.....this takes DNS out of the picture.



  • 11.  RE: Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 03:40 PM

    ok, I test it tomorrow again.

    I let you know what´s the problem.



  • 12.  RE: Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 03:48 PM
    One thing you could do to test is use a virtual assigned IP


  • 13.  RE: Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 04:35 PM
    What do you mean with virtual IP?


  • 14.  RE: Aruba Instant problems with internal captive portal

    Posted Oct 20, 2014 04:50 PM
    In the VLAN settings of your SSID there's an option to use network assigned or virtual controller assignment this option will src-nat all your traffic