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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IP mobility with two controllers using same subnet?

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  • 1.  IP mobility with two controllers using same subnet?

    Posted Jun 12, 2012 07:51 PM

    We have a site in which 4 building are close together in a row and mobility is enabled.  

    The first two buildings are using the same Subnet/Vlan for WiFi-VoIP.  My question is, should IP mobility be enabled on the first building of the this chain when it's on the same subnet/vlan as the second building?

     

     

     



  • 2.  RE: IP mobility with two controllers using same subnet?

    Posted Jun 19, 2012 02:24 AM

    How are the clients going to roam? 

     

    AFAIK,

    For building 1 & 2 as clients share same subnet/vlan, you can't really enable IP mobility (L3 mobility), as in the mobility HAT table, you can't put same subnet with two home agent.

     

    However, if client roams from building 1 to building 3 or 4, in that case you need IP mobility.

     

    In ideal scenario, I would expect all 4 bulidings have different subnet, thus you can enable L3 mobility.