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Why can’t I edit the radio country code in Nebula?
If your Nebula site is physically located in the United States, Nebula will automatically lock the radio country code to “United States”, and it cannot be modified. This restriction applies as long as there are managed devices present in the site. To change it, all devices must first be removed from the locked Nebula site.…
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What does AP LED flashing blue means?
Quick Flashing (Bright Blue, 300 ms) Indicates that the AP is operating in Repeater mode and is attempting to connect to a root AP (uplink). If repeater mode is not expected, please check the Ethernet cable and the connected uplink port to ensure the wired network connection is functioning properly. Slow Flashing (Dark…
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Why does the “SSID by usage” widget show duplicate SSIDs in Nebula?
The "SSID by usage" widget in Nebula Control Center (NCC) might display duplicate SSIDs, particularly when WPA3 Transition Mode is configured. This occurs because the widget differentiates SSID usage based on the actual security mode used by connected clients. Why duplicate SSIDs appear: When an SSID is configured in WPA3…
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Why can’t I enable Ethernet ports on the WAX300H when connected as a Smart Mesh AP?
The WAX300H access point supports Smart Mesh connection with the USG LITE 60AX router. However, the WAX300H is unable to provide network connectivity to wired devices through its Ethernet ports when operating as a repeater in a Smart Mesh setup. This limitation exists because the WAX300H does not support the Wireless…
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Extending Wireless Coverage with Remote AP Mesh?
To extend your wireless LAN coverage to remote locations and connect wired devices, you can configure your remote Access Point (AP) to act as a root in a mesh network while maintaining a secure tunnel to your USG FLEX. Secure Tunnel over Mesh: The secure tunnel established between the USG FLEX and your Remote AP can…
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How to View Device uptime in Nebula?
Nebula does not provide a direct method to view the uptime information for devices like Access Points (AP) within its interface. For Access Points, the uptime can be manually checked by connecting to the individual device via SSH and executing the command show system uptime.
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How do I enable roaming on my Zyxel Nebula network?
To enable roaming on your Zyxel Nebula network, ensure that all access points broadcast the same SSID (including identical SSID settings and tags). Adjust AP placement and output power to create sufficient signal overlap, allowing clients to transition smoothly between APs. You can further optimize roaming by enabling…
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How to resolve 'INVALID_PORTAL_SUCCESS_URL' error in Nebula?
If you encounter an 'INVALID_PORTAL_SUCCESS_URL' error when configuring SSIDs in Nebula Control Center, follow these steps to resolve the issue: Navigate to Site-wide > Configure > Access points > Captive portal customization. Under the SSID profile, locate the "Captive portal behavior" field. Either remove the existing…
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How can Nebula help identify external interference?
You can identify potential external interference by checking the Access Point Usage and Connectivity section in Nebula, which shows channel utilization and helps reveal congestion or abnormal RF activity.
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What are common causes of wireless health issues?
Common causes include interference from household or industrial devices such as microwaves, cordless phones, Bluetooth equipment, or baby monitors, as well as overlapping WiFi channels from neighboring networks, which can lead to congestion and reduced signal quality.
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What does the “wireless health reached the action-threshold” log indicate?
This log entry — “wireless-health Radio1 wireless health reached the action-threshold” — indicates that the wireless environment, specifically the 2.4 GHz radio on the access point, has reached a level of interference or congestion high enough to trigger Nebula’s wireless health alert. When this threshold is exceeded,…
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How to ensure devices are visible on the Nebula floor map?
If you encounter an issue where devices are not fully visible or appear to 'jump' on your Nebula floor map, this usually indicates that devices are not correctly associated with the floor plan. Follow these steps to ensure all your devices are properly displayed on the map: Check existing configuration: Navigate…
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When the Xiaomi 15 Ultra switches to another AP, it shows: “Wi-Fi password incorrect"
This event is caused by the Dual Wi-Fi Acceleration feature on the Xiaomi device. You could disable the Dual Wi-Fi Acceleration feature to prevent the issue. We found that this issue had already been reported earlier in Xiaomi forums (and also discussed here:…
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The access point is not appearing in the list. What should I do?
If your access point does not show up in the Nebula Control Center (NCC), try the following troubleshooting steps: Check that the AP is added to the correct site Ensure the device has been added under Site-wide > License & Inventory and assigned to the correct Site. Devices listed only in Inventory without being added to a…
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What is the tags LED_OFF and LED_On on the ap configuration page?
Tag: LED_OFF This tag turns off the LED lights on your Access Points (APs). If your WiFi system is installed in an environment where the AP LEDs may be distracting or inappropriate—such as bedrooms, meeting rooms, or quiet areas—you can use the LED_OFF tag to disable the LED lights on your APs. Tag: LED_ON This tag turns…
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I can’t find the Channel Utilization menu. How do I check it?
To view Channel Utilization in Nebula, follow these steps: Go to Site-wide > Devices > Access points. Select the AP you want to inspect. In the AP detail page, scroll to the Access point usage and connectivity graph. Hover your mouse over the graph to see utilization values over time. Color indicators: Yellow = 2.4 GHz…
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What is the maximum number of clients that can be managed with policies?
Nebula applies the following limits for client policies: For WiFi clients: Block policies: up to 512 entries per site Allow policies: up to 256 entries per site
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Why is the AP uplink limited to 100 Mbps?
If an AP shows an uplink speed of only 10/100 Mbps, it indicates that the Ethernet link did not negotiate at 1 Gbps. This is usually caused by a physical layer issue. Common causes and how to check them: Ethernet Cable Issue Ensure the cable is Cat5e or higher, properly crimped, and not damaged. Replace the cable to…
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Iphone devices cannot connect to the WiFi
If other clients are successfully connecting to the SSID but Iphone devices are having trouble, please consult below articles for troubleshooting guidance. https://community.zyxel.com/en/discussion/20520/resolving-connection-issues-for-specific-wireless-clients…
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How to Add a Nebula Device Already Registered to Another Organization?
If you are unable to add a Nebula device to your organization because it is already registered to another user, you can often transfer ownership using the Nebula Mobile App by scanning the device's QR code. This method is effective when the device was previously associated with a different owner and cannot be added via the…