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Aruba IAP Cluster Configuration Issue

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  • 1.  Aruba IAP Cluster Configuration Issue

    Posted Mar 18, 2025 04:32 AM

    Based on the network diagram provided, I need help configuring my IAP (Instant Access Point). My network architecture has:

    • The upper network layer in VLAN10
    • A lower network in VLAN30 (192.168.3.0/24)
    • VC (Virtual Controller) at 192.168.1.10
    • AP at 192.168.1.20
    • Both the AP and VC appear to be in VLAN30 with access to VLAN10

    I need to configure my IAP so that:

    1. The upper network layer does not need to configure VLAN30
    2. The AP will assign IP addresses from the VLAN30 subnet (192.168.3.0/24) to wireless clients
    3. Traffic from VLAN30 needs to reach the upper network (VLAN10) and the internet

    Problem I'm facing: I've already tried to set up a DHCP server on the VC. When I connect to the AP that's directly connected to the VC, I can get an IP address and the network works fine. However, when I connect to other APs in the cluster, I cannot get an IP address and the network is unreachable.

    How should I properly configure the IAP to ensure all APs in the cluster can provide IP addresses to clients and maintain network connectivity?"



  • 2.  RE: Aruba IAP Cluster Configuration Issue

    Posted Mar 18, 2025 04:36 AM

    That's not a recommended architecture. Instant APs should have a management network/VLAN as untagged to it's ethernet uplink port, and the client VLANs as tagged.

    You should enable VLAN 30 on the blue switch infrastructure, as well implement routing/DHCP services there to get a recommended architecture. 



    ------------------------------
    Herman Robers
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    If you have urgent issues, always contact your HPE Aruba Networking partner, distributor, or Aruba TAC Support. Check https://www.arubanetworks.com/support-services/contact-support/ for how to contact HPE Aruba Networking TAC. Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or HPE Aruba Networking.

    In case your problem is solved, please invest the time to post a follow-up with the information on how you solved it. Others can benefit from that.
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    Original Message


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