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How to check if the Zyxel AP sends the logs to syslog server?
Please try the following troubleshooting steps: Test Connectivity: Ping the AP's IP from your syslog server. Check Local Firewall (if you change syslog port): Confirm that the Linux system's firewall is explicitly allowing incoming traffic on UDP port 51898. Since this is a non-standard port (default is usually 514), the…
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What RFC is Zyxel AP syslog using?
Q: What RFC is Zyxel AP syslog using? A: It is RFC3164.
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Advanced Troubleshooting for WISP Links
When deploying long-range WISP wireless links, several factors can affect connection stability and performance. If a Leaf AP cannot connect to the Root AP, first verify that there is a clear line of sight between both devices. The Leaf AP should also not be positioned at an angle greater than 90 degrees relative to the…
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WISP: Nebula Configuration and Forwarding Modes
The Nebula Control Center provides flexible configuration options for WISP deployments, including AFC optimization and Ethernet forwarding settings. Administrators can manually configure the device altitude in Nebula to improve AFC calculation accuracy and help optimize the available 6GHz channel selection. The AP’s…
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WISP: On-site Deployment and Installation Best Practices
Proper physical installation is important for achieving the best performance in long-range WISP deployments. For long-distance coverage between 7 to 10 kilometers, Zyxel recommends installing the Root AP at least 40 meters above ground level to ensure sufficient signal coverage. For shorter distances below 3 kilometers,…
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WiFi 7 Technical Advantages in WISP Scenarios
WiFi 7 introduces several important technologies that improve performance for long-range WISP deployments by enhancing reliability, reducing latency, and optimizing wireless signals. One of the key features is Multi-Link Operation (MLO), which allows the AP to maintain multiple wireless links at the same time. While MLO…
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Understanding AFC and 6GHz Outdoor Regulation
Automated Frequency Coordination (AFC) is a cloud-based system required for outdoor 6GHz wireless deployments in the United States and Canada to prevent interference with existing services such as radar systems. Zyxel access points communicate with authorized AFC providers, such as Qualcomm, to determine which 6GHz…
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How to Configure More Than 8 SSIDs on Nebula
By default, Nebula supports up to 8 SSIDs per AP profile. However, for environments requiring additional independently manageable SSIDs, such as schools, classrooms, dormitories, or multi-tenant deployments, Nebula provides alternative configuration methods to extend SSID usage scenarios. You may refer to the following…
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Why Does the Access Point Keep Rebooting?
An access point stuck in a continuous reboot loop can be concerning. In many cases, this behavior is related to power delivery conditions or hardware initialisation during the boot process. Here are several recommended steps to help isolate and troubleshoot the issue: Verify the Power Source Temporarily test the AP using…
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Introduction to WISP and Zyxel Wi-Fi 7 Fixed Wireless Access
Introduction to WISP and Zyxel Wi-Fi 7 Fixed Wireless Access A Wireless Internet Service Provider (WISP) is a company that delivers internet connectivity using radio waves instead of traditional physical infrastructure like fiber or cables. This method of delivery is essential in regions where physical internet connections…
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Captive Portal-MS-CHAPv2 Auth
Secure Authentication with MS-CHAPv2 for Captive Portal Zyxel has added support for the MS-CHAPv2 protocol for Captive Portal authentication when using an external RADIUS server, providing a significantly more secure option than the traditional PAP method. This security enhancement is specifically available for Cloud…
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Captive Portal-User Limit Control
Advanced Captive Portal Management: User Limit Protection Nebula 20.00 introduces "Existing User Protection," a new feature designed to give administrators greater control over simultaneous login limits for Captive Portal accounts. Understanding Login Behavior Simultaneous login limits define how many endpoint devices can…
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Indoor/Outdoor Toggle for WBE665S
Indoor and Outdoor Deployment Flexiblity for WBE665S The WBE665S, primarily an outdoor access point, now supports a dedicated management toggle in Nebula to switch between indoor and outdoor deployment modes. This feature, previously only available in standalone mode, is now fully integrated into the Nebula Control Center…
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DCS Enhancement
DCS Enhancement: Optimized 5GHz Spectrum Utilization Starting with Nebula 20.00, Zyxel has introduced a significant shift in Dynamic Channel Selection (DCS) behavior, where the "Avoid 5G DFS channel" option is now disabled by default for all new sites. This enhancement is designed to improve channel availability and ensure…
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SSID Priority
Optimizing Wireless Traffic with SSID Priority (VIP QoS) SSID Priority, or VIP QoS, is now supported for Nebula Cloud Managed Access Points, enabling granular control over wireless traffic forwarding based on the importance of each SSID. Priority Level Classification Administrators can choose from three priority levels…
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WBE 665S Indoor Mode
Overcoming Outdoor 6GHz Restrictions The WBE 665S is an outdoor tri-radio access point. However, strict regulations in many regions (like the EU) prohibit 6GHz usage outdoors without specific coordination (AFC). The Indoor Mode Solution For users who wish to use this powerful outdoor AP in large indoor spaces like…
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Neighbor Scan Live Tool
Diagnostic Visibility The Neighbor Scan is a live tool that lists devices broadcasting beacon frames or probe responses nearby. It scans all radio bands and channels supported by the hardware, though it is dependent on the specific AP model (e.g., a Wi-Fi 6 AP cannot scan 6GHz). Key Features * Retention: Scanned entries…
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Captive Portal with Two-Factor Authentication
Enhanced Security for Guest Access Two-factor authentication (2FA) is now supported for Captive Portals, specifically when using Nebula Cloud Authentication. Implementation Details * Setup: 2FA is enabled under Advanced SSID settings. * User Experience: If a user has not yet bound 2FA, they will be prompted to scan a QR…
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RADIUS Bandwidth Override Local
User-Based Rate Limiting Nebula now supports Radius-based rate limiting, allowing individual users to have unique bandwidth limitations based on attributes provided by the Radius server. Technical Parameters * Attributes: The AP recognizes WISPr-BW-MAX-UP and WISPr-BW-MAX-DOWN attributes in bits per second (BPS). *…
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Authentication Certificate Renewal
Addressing Certificate Expiration Cloud-managed APs use a specific 802.1X certificate for WPA Enterprise authentication. Many of these certificates were set to expire in February 2026, which would cause authentication failures for clients. Proactive Provisioning To prevent disruption, NCC proactively provisions new…