Wireless Access

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Access network design for branch, remote, outdoor, and campus locations with HPE Aruba Networking access points and mobility controllers.
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New controller - users can't get DHCP

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  • 1.  New controller - users can't get DHCP

    Posted Jun 07, 2018 03:38 PM
      |   view attached

    Hi, we are migrating our network and re-ip everything. We are trying to get this controller back up and running normally for a few months till the new wireless network is in and working. 

    I don't need perfect, I just need good enough.

     

    I'm no Aruba expert so bare with me!

     

    We have an aruba 3600 controller running 6.4.4.18 aos with 50 105 ap's connecting in.

    The controller was factory reset, I went through the web gui config to get the licences and everythign re-setup.

     

    The controller and AP's are on vlan 21 (10.0.21.0/24).  I think it's just vlan1 but whatever, It can see the 

    We have two wifi's networks

    Internal vlan 80 (10.0.80.0/24)

    Guest vlan 66 (10.0.66.0/23)

     

    DHCP will be served out by our fortigate HA at ip 10.0.80.1 and 10.0.66.1

     

    I've got all the AP's registered to the unit and I can set it to broadcast ssid's out just fine, but when a user goes to connect they don't get any DHCP.  I've set the dhcp relay address in, but still nothing.

     

    I'm stumped :/

    I tried setting port 0 as vlan 21

    port 1 as vlan 66

    port 2 as vlan 80

    I tried to configured the appropiate ports on the switches as access ports so there would be no need for any extra problem points.

     

    Any thoughts?

    attaced is the running config

    Thanks!

    Attachment(s)

    txt
    config.txt   15 KB 1 version


  • 2.  RE: New controller - users can't get DHCP
    Best Answer

    Posted Jun 08, 2018 03:39 AM

    Hi, 

     

    I can see that when you define the VLAN interfaces, the IP address is the same as the IP helper address. Here, the IP address should be the controller's IP address in that VLAN and the helper address should be the fortigate's IP address

     

    Some more questions:

    - Are the SSIDs forwarding in "Tunnel" or "Bridge" mode?

    - Have you activated logging and check the logs to see what is going on with the DHCP packets?

     

    Kevin



  • 3.  RE: New controller - users can't get DHCP

    Posted Jun 08, 2018 10:10 AM

    Because it was in bridge mode each ap needed to have the appropiate allowed vlan (21 native, 66 and 80 allowed) assigned to thier ports. 

    In tunnel mode this wasn't necessary.

     

    They started getting dhcp and working right after this change.

     

    Thanks!