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  • 1.  Issue In DHCP lease

    Posted Jan 21, 2026 01:14 PM

    Hi 

    i am facing issue that access points are taking IPs but PCs  doesn't , let me explain to you the topology and I will be thankful for any reply that can help 

    I have 2 core switch connected via VSX that connected to 5 switches via multi chassis LAG and configuration as bellow

    Core Switch 

    vlan 60

    vlan 61

    Interface Vlan 60 (for management

    192.168.60.2/24

    active gateway 192.168.60.1

    active gateway mac

    _________________________________

    Interface Vlan 61 (for client

    192.168.60.2/24

    active gateway 192.168.60.1

    active gateway mac 

    _____________________________________

    multi chassis LAG

    vlan trunk native 1 

    vlan trunk allowed all 

    lacp mode active 

    no shutdown 

    _________________________________________

    DHCP server vrf default 

    pool client 

    range 192.168.61.50 192.168.61.254 prefix len 24

    default router 192.168.61.1  192.168.61.2 192.168.61.3 (Active gateway - primary and secondary core)

    lease 12:00:00

    enable 

    ___________________________________________

    access switch 

    LAG 

    vlan trunk native 1

    vlan trunk allowed all 

    lacp mode active 

    _____________________________________________

    vlan 60

    vlan 61 which port access to this vlan that its interface vlan in core 

    _______________________________________________

    interface vlan 60

    192.168.60.10

    _____________________________________________

    ip route 0.0.0.0/0 192.168.60.1



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  • 2.  RE: Issue In DHCP lease

    Posted Feb 19, 2026 09:28 AM

    I've not seen before multiple default gateways being returned by DHCP, and I would expect that that may be causing the issue you see.

    Only return a single IP as the default gateway with DHCP, and I would use the active-gateway for that as it's highly available.



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    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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