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Why did my AP reboot unexpectedly with the “Reboot by cold start” log
A “Reboot by cold start” message indicates that the AP was rebooted due to a power interruption, meaning the device lost power abruptly rather than performing a normal software-initiated reboot. This is typically caused by issues such as: An unstable or insufficient power supply device A faulty or aging power adapter…
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Where to enable the AP management service in FLEX H AP controller
Ensure the FLEX H firmware version is v1.32 or later (AP management is supported starting from uOS v1.32). Log in to the FLEX H firewall. Go to Sidebar » Wireless » AP Control Service. Enable the feature and configure the password for the managed APs.
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Does an AP running in standalone mode support SSID MAC Authentication
SSID MAC-Authentication method is only supported when the AP is managed by a controller or by Nebula Cloud. It is not supported when the AP is operating in standalone mode.
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How to upgrade AP firmware without Nebula?
1.Upgrade via ZON tool: Step 1. Download and progress the installation of ZON tool. https://www.zyxel.com/global/en/products/management-and-reporting/zyxel-devices-installation-tool-zon-utilityStep Step 2. Connect your laptop to the same network with your AP, then open ZON.exe. Step 3. Select the “Settings” icon on the…
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Does NWA50BE support airtime fairness function?
No, NWA50BE does not support airtime fairness function. You can navigate to Help center > Device function table to check the functions supported by all Nebula devices for each model. [Nebula]How to check the functions supported by all Nebula devices for each model? — Zyxel Community
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What do I need to do on APs after activating a Trial license in Nebula
After activating a Trial license (such as Pro Pack, MSP Pack, or CNP/CNP+), no additional action is required on the APs themselves. All trial features become available automatically to the organization or site where the license was applied. Nebula will automatically synchronize the new license capabilities to all managed…
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Why does the Clients page show the device’s MAC address instead of the device name
This happens because the device hostname is only displayed if the client includes it in its DHCP packets. If the connected device does not send its hostname during the DHCP flow, Nebula can only display the MAC address, as no additional identification information is provided.
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How can I resolve PoE power shortages with the USG FLEX500H and multi-802.3at APs
The USG FLEX500H provides only 30W of total PoE power, if you have more than 1 802.3at AP need to connect, here are recommended solutions to ensure the system stability: Connect only one AP to the USG FLEX500H and the second AP to a PoE switch or a PoE injector. Alternatively, power the second AP using the additional DC-in…
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Why didn't my Nebula AP follow the firmware upgrade schedule
This behavior could be caused by the two-week Guardian Period enforced by the Nebula Control Center (NCC) for new firmware releases. Below is how the process works: What is the Guardian Period? When a new firmware version is released, NCC starts a two-week Guardian Period. This period allows Zyxel to monitor early…
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Why does the error "Uplink lower than 100M" appear in Nebula
The alert "Uplink lower than 100M" in Nebula indicates that the speed of the connection between your access point And the switch is lower than the expected 1 Gbps . Instead, it might be operating at 10/100 Mbps. Here are the common causes and solutions to resolve the issue: Check Ethernet cable quality: Ensure the AP is…
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What do the AP Ethernet port LED colors mean
Green LED Indicates that the uplink has negotiated the maximum supported speed of the access point’s Ethernet port. The LED will turn green only when the connected switch, router, or PoE injector supports the AP’s highest link rate (for example, 2.5Gbps on certain AP models). Amber LED Indicates that the link is operating…
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Why does the ethernet uplink port LED on my AP show amber instead of green
Ethernet Port LED Color Meanings Green LED Indicates that the uplink has negotiated the maximum supported speed (2.5Gbps for the NWA50AX PRO). If the connected switch, router, or PoE injector supports 2.5G, the LED will turn green. Amber LED Indicates that the link is operating at a lower speed than the maximum supported…
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Why are the links between APs shown in yellow/orange in the Nebula topology
The yellow (orange) line in Topology display indicates that the access point is connected to the switch using a PoE (Power over Ethernet) wired connection, allowing administrators to visually distinguish PoE-powered APs from other types of connections.
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Why can't I assign a CNP license to certain access points
If you are unable to assign a Connect & Protect (CNP) license to a specific access point, it is likely due to license compatibility. Not all AP models support the standard CNP license. Some models require the enhanced Connect & Protect Plus (CNP+) license instead. When a device does not support the CNP license type, Nebula…
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Why AP shows limited local menu options after registered to Nebula
When your access point shows a limited local web interface and does not display all configuration options after registered to Nebula When operate in Nebula clod mode, configuration is managed centrally through the Nebula Control Center, and many local menu options are intentionally restricted to ensure cloud-managed…
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What does "Non-Wireless Bridge Repeater" AP status mean?
If your Zyxel repeaters are displaying a “Non-Wireless Bridge Repeater” orange alert, it indicates that the connected uplink AP does not support wireless bridging. In this situation, the repeater’s wireless bridge function is disabled because wireless bridging requires the root AP to support the feature as well.
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Why the access point Application Usage Data information is empty
CNP+ License Requirements The Application Visibility feature requires an active Connect & Protect Plus (CNP+) license. This license enables Application Visibility as well as security services such as DNS/IP reputation filtering. You can verify the license status by navigating to: Organization-wide » License & inventory. If…
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Where can I get the access point's Quick Start Guide Info
Navigate to Zyxel Download Library: Download Library | Zyxel Networks Search the model you want to query and download the Quick Start Guide and any other model-related documents.
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Why access point keep blinking orange/green and not connecting to Nebula
If your Zyxel access point (AP) is blinking Orange/Green slowly (1-second interval), it means the AP is trying to connect to the Nebula Cloud but has failed to establish a stable connection. This issue is usually related to local network configuration or internet connectivity. Troubleshooting Steps 1. Check if the AP…
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How to fix configuration and filesystem issues on the EOL NWA1123ACv2
The NWA1123ACv2 is not adopting Nebula configuration, and logs show high filesystem usage - "/db filesystem usage reaches 93%". How to Resolve: Factory Reset the AP Press and hold the reset button until the device restarts. After reboot, check if Nebula configuration is adopted correctly. *The message “/db filesystem usage…