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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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Problems with connections to Eth 1 port on AP-125

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  • 1.  Problems with connections to Eth 1 port on AP-125

    Posted Dec 14, 2012 02:31 PM

    Hello everyone!

     

     We have been seeing some problems here at the university I work for using the Ethernet 1 as a passthrough to wall ports. For some reason, when a device connects to a wall port that is coming off the Eth 1 port, the MAC address of the devices gets cached on the port and does not time out. So what we are seeing here is students in the residential dorms unable to connect their devices to our network because they connect their device via wired connection to a port connecting to the Eth 1 port on an AP-125, then when they go to connect to another port in another room they suddenly are unable to connect to the network (they end up getting a self assigned 169.254.x.x address) because their MAC address has not timed out from the Eth 1 port. 

     

    Anyone know why this behavior occurs? We use the Eth 1 as a handoff to wall ports quite a bit, yet we are only seeing this problem occur on a few AP's. The problem isn't severe, we can simply reboot the AP's from the swtichport and clear the MAC addresses, but these kids keep moving their devices around. Any ideas will be welcome!



  • 2.  RE: Problems with connections to Eth 1 port on AP-125

    EMPLOYEE
    Posted Dec 14, 2012 02:59 PM

    What version of ArubaOS?

     

    Are you using authentication on E1?



  • 3.  RE: Problems with connections to Eth 1 port on AP-125

    Posted Dec 14, 2012 04:07 PM

    Hello

     

     We are using OS version 6.1.3.2. And yes, we are using AAA authentication on the Eth 1 port. 



  • 4.  RE: Problems with connections to Eth 1 port on AP-125

    EMPLOYEE
    Posted Dec 14, 2012 05:48 PM

    What type of authentication, mac? 802..1x?

     

     



  • 5.  RE: Problems with connections to Eth 1 port on AP-125

    Posted Dec 18, 2012 01:56 PM

    It seems we have both 802.1x and MAC Authentican enabled.

     

    We have initial role set to "authenticated", and both 802.1x and MAC Authentication default role set to "guest". Wired to Wireless Roaming and Device Type Classifcation are both checked. 



  • 6.  RE: Problems with connections to Eth 1 port on AP-125

    Posted Dec 18, 2012 01:59 PM

    Oh and MAC Authentican Server Group is set as default.



  • 7.  RE: Problems with connections to Eth 1 port on AP-125

    EMPLOYEE
    Posted Dec 18, 2012 02:00 PM
    You could enable user debugging to see what role a device is placed in when it connects to the new port.


  • 8.  RE: Problems with connections to Eth 1 port on AP-125

    Posted Dec 18, 2012 02:21 PM

    So the issue is related to authentication on the wired ports?



  • 9.  RE: Problems with connections to Eth 1 port on AP-125

    EMPLOYEE
    Posted Dec 18, 2012 02:25 PM
    I do not have a clue. User debugging would obtain more information.


  • 10.  RE: Problems with connections to Eth 1 port on AP-125

    Posted Dec 18, 2012 02:45 PM

    K, will give it a go. 



  • 11.  RE: Problems with connections to Eth 1 port on AP-125

    Posted Dec 20, 2012 12:21 PM

    CJoseph, thank you for all your help. We successfully resolved this issue.