Assistance Needed with VLAN Setup on Firebox T45 and Ubiquiti U6 Pro WAP

Benin_ChurchilBenin_Churchil
in Firebox - Networking, Multi-Wan, VLAN, NAT, SD-WAN

Hi Experts,

I've been working on setting up VLANs using a Firebox T45 and a Ubiquiti U6 Pro WAP. The WAP is connected directly to the firewall through a PoE injector. I have created two VLANs (VLAN 10 & VLAN 20), each with its own DHCP server provided by the firewall. I also configured two SSIDs using the Ubiquiti cloud controller—one for internal employees and the other for guests.

Here’s the issue:

VLAN 10 (internal employee SSID) is working fine.
VLAN 20 (guest SSID) shows up, but when connecting, it says "no internet."
Additionally, when setting up the VLANs, the WAP shows as "offline" on the Ubiquiti cloud controller, yet the SSIDs still broadcast.
Please let me know if you need more details, as I’d like to get this resolved as soon as possible.

Best regards,
Benin

Comments

  • Bruce_BriggsBruce_Briggs

    Is the guest VLAN on the firewall set up as Tagged?
    If so, is it set up a tagged on the Ubiquiti cloud controller?

    What do you see in Traffic Monitor for traffic from the guest VLAN?

    You can turn on logging on guest VLAN policies to see packets allowed by them in Traffic Monitor. Consider doing this, at least for debugging.

  • Bruce_BriggsBruce_Briggs

    Also, what zone is the guest VLAN set to on the firewall?

  • Bruce_BriggsBruce_Briggs

    You can also check for DHCP leases on the Guest VLAN.

    Web UI: Dashboard -> System Status -> DHCP Leases
    Firebox System Manager -> Status Report -> DHCP Leases section

    If you aren't seeing them, then there is something wrong between the Firewall VLAN settings and the Ubiquiti cloud controller settings.

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