Controllerless Networks

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  • 1.  L3 or L2 Mobility

    Posted Dec 27, 2022 09:54 PM
    Hello guys 
    I have the fallowing scenario in which i would like to know how should i configure it

    I have 1 cluster
    Cluster A 

    We will put a second cluster: Cluster B

    Cluster A the APs are on the network 192.168.1.0/24
    Cluster B the Aps will be on the network 192.168.2.0/24

    Right now the corporate network its network assigned a vlan 5 on the network 192.168.5.0/24

    If we wanted to roam between cluster A and cluster B how would be the config on this?
    We would need to configure L3 roaming?


    I see examples in the manuals of something like this:
    Cluster A the APs are on the network 192.168.1.0/24
    Cluster B the Aps are on the network 192.168.2.0/24

    corporate vlan on cluster A is 192.168.5.0/24 vlan 5 
    Coporate vlan on cluster B is 192.168.6.0/24 vlan 6


    But i was thinking that i dont really need 2 different vlans inthe corporate network just one its this possible? or i really need to put another corporate network?

    Here i would put in the virtual controllers ips and in the subnet i would put just the vlan 5, but im not sure if thats a valid config
    i dont know if my point is clear? im wondering because my english is not good, and could be confusing sometimes.

    We can easily just trunk  corporate wifi vlan to both clusters, i mean cluster A and cluster B


  • 2.  RE: L3 or L2 Mobility

    Posted Dec 28, 2022 02:11 AM
    Edited by ariyap Dec 28, 2022 02:11 AM
    you are on the right track and here is the reference for the configuration
    https://www.arubanetworks.com/techdocs/Instant_810_WebHelp/Content/instant-ug/l3-mobility/conf-l3-mobility.htm?Highlight=L3%20mobility

    However I would not recommend it as it would add unnecessary complexity.
    How many APs do you have in each  cluster?
    How many Wifi clients do you have?
    is the cluster boundary based on a geographical location/area like building or a campus zone ?

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    If my post was useful accept solution and/or give kudos.
    Any opinions expressed here are solely my own and not necessarily that of HPE or Aruba.
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    Original Message


  • 3.  RE: L3 or L2 Mobility

    Posted Dec 28, 2022 08:08 AM
    Hello Ariyap
    So the config would look somehting like this:


    and in the other controller it would be the same but with the other virtual controller in the subnet

    When they mean the home virtual controller, its the virtual controller  that has the 192.168.5.0/24 but in my case both has the same vlan 5 so in both the home virtual controller would be 192.168.0.20 for the 192.168.1.20 VC and for the 192.168.0.20 VC it just would be the same.
    Original Message


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