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Switch Firmware v5.00: Enhanced Firmware Integrity Check
To improve system security and prevent tampering, Zyxel Networks has implemented a new Enhanced Firmware Integrity Check mechanism in its latest switch firmware v5.00. This enhancement helps validate firmware authenticity using standardized cryptographic verification before installation or upgrade. Why Firmware Integrity…
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Switch Firmware v5.00: Login Privilege Enhancements
In the latest firmware release v5.00, Zyxel Networks has introduced a security-focused enhancement to how login privileges are handled for switch user accounts. The change is designed to limit unauthorized access to configuration settings. What’s New? Previously, users with Privilege Level 2 (commonly used for guest or…
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Switch Firmware v5.00: Service Access Control Logs
With the firmware update in version 5.00, Zyxel has enhanced its logging capabilities for switches by introducing the Service Access Control Log. This new feature allows administrators to track changes to remote access services, helping ensure accountability and improved network visibility. What Is Service Access Control…
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Switch Firmware v5.00: User IP Lockout
Zyxel Networks has added a key security enhancement to its switch firmware with the release of v5.00: User IP Lockout. This feature is designed to protect switch management access from unauthorized login attempts by temporarily blocking IP addresses that repeatedly fail authentication. What Is User IP Lockout? User IP…
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Switch Firmware v5.00: Password Complexity
With the latest firmware update, Zyxel Networks now offers Password Complexity Enforcement on supported switch models. This feature, long available in security appliances, is now part of the switch lineup—designed to improve account security and meet stricter compliance requirements in enterprise and regulated…
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CX4800 Series: New Lost Password Recovery Procedure
In Nebula 18.30, Zyxel introduced the CX4800 Series, including the powerful CX8040 switch. These high-performance switches are built without a physical reset button, raising the question: How can users reset the device to factory defaults if the admin password is lost? With the latest update, Zyxel has provided a new…
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What's New in Switch Firmware v5.00: Six Minor but Powerful Enhancements
The v5.00 firmware release for Zyxel managed switches brings a set of six practical enhancements designed to improve security, usability, and troubleshooting efficiency. Though labeled as “minor,” these updates deliver meaningful improvements for administrators and service providers alike. 1. Password Input Masking in CLI…
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Switch in April 2024 Patch: Expanded MIB Support for Smart Managed Switches
In the April 2024 firmware release, Zyxel Networks introduced a major upgrade for its Smart Managed Switches by significantly expanding SNMP (Simple Network Management Protocol) support. This enhancement increases visibility and control for IT administrators using SNMP-based network monitoring tools. What’s New?…
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Switch in April 2024 Patch: Stabilize Cloud Auto Configuration Recovery
In Nebula 19.00, Zyxel Networks introduces an important enhancement to its Auto Configuration Recovery feature for switches — focusing on stability and minimizing disruptions to PoE-connected devices. Let’s break down what this feature is, the problem it previously posed, and how it has now been improved. What Is Auto…
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Switch in April 2024 Patch: Support for Multiple NTP Servers
In the latest patch update, Zyxel Networks has expanded NTP server support on managed switches, improving time synchronization reliability and overall system stability. This enhancement allows switches to connect to multiple NTP servers, offering backup options if the primary server becomes unreachable. What’s New?…
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Switch in April 2024 Patch: Default SSH Algorithm Now Uses ECDSA
As part of our continued commitment to improving network security and compatibility, Zyxel Networks has updated the default SSH algorithm used by its switches. Starting with the latest firmware updates, the default SSH algorithm has been changed to ECDSA (Elliptic Curve Digital Signature Algorithm). Why the Change? The…
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Switch in April 2024 Patch: Force Change Password via CLI
To further strengthen device security, Zyxel Networks has extended the "Force Change Password" policy to include the CLI (Command Line Interface) login for supported switch models starting with the April 2024 patch release. Previous Behavior: Web GUI-Only Enforcement Previously, the Force Change Password feature only…
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New Switch Product XS1935
We are excited to announce a new addition to our cloud-managed switch lineup: the XS1935 Series. Designed to deliver powerful multi-gigabit performance with advanced cloud management capabilities, the XS1935 Series will be officially launched to the market in July 2025. Overview of the XS1935 Series The XS1935 Series…
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Introducing the CX4800-56F: Zyxel’s New Flagship Aggregation Switch
Zyxel Networks is proud to introduce the CX4800-56F, our latest flagship switch, designed to deliver high-speed, high-density fiber connectivity for enterprise and data center networks. With powerful 100G uplinks, 25G/10G downlinks, and advanced Layer 3 features, the CX4800-56F is built to support the growing demands of…
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Introducing FaOS: Zyxel’s Next-Gen Switch Operating System
Zyxel is rolling out a new switch operating system called FaOS. While not an abbreviation, FaOS represents a modernized OS foundation for Zyxel’s switches. At its core, FaOS runs on a Linux kernel, but it packages the original ZyNOS within it, ensuring that existing user experiences remain unchanged. It is for better…
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ZON Utility cannot be used on Windows 10
Hello everyone, When you open ZON Utility but it pops out a system error with wpcap.dll file not found problem as below image, You may need to follow these steps to resolve the issue: 1. Download Npcap and Install it. While installing Npcap, you need to confirm if "Install Npcap in WinPcap API-compatible Mode" is selected.…
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Will firmware upgrades reset or overwrite switch passwords?
Issue details: After upgrading my switch's firmware, I can no longer log into the WebUI. My previous password is not being accepted, and even the default password (1234) doesn't work. Does the firmware upgrade process overwrite or reset switch passwords? Answer: As per our specifications, upgrading the firmware will not…
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What is the maximum Jumbo Frame MTU size for Zyxel switches?
The maximum Jumbo Frame MTU size varies by specific Zyxel switch model. This feature is enabled by default, requiring no user configuration. For example, the XGS1930-28 model supports up to 9K jumbo frames. Please consult your specific switch model's documentation for exact MTU size specifications. Download Library | Zyxel…
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What are compatible transceivers for my switches?
To determine which transceivers are compatible with your switches, please review the datasheet in the Zyxel download library. Example: The XMG-105 switch datasheet provides detailed information about compatible transceiver models XMG-105_1.pdf
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Where can I find the switch's Visio Shape?
The switch's Visio Shape can be found in the Zyxel Download Library. Simply search for your specific switch model in the library to locate and download the appropriate Visio Shape file.
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Why the copper transceiver (10G-T) has high temperature?
Higher Power Consumption: Copper transceivers typically consume more power compared to fiber transceivers. This is because copper-based data transmission requires more electrical energy. For these reasons, it is essential to ensure proper ventilation, avoid full equipped the ports with copper transceivers, and consider…
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Why did my switch lose its configuration or reset the password after a firmware upgrade?
For certain switch models, such as the GS1350, GS1900, GS1915, GS1920, and similar models, configuration settings are not automatically saved after being applied. To prevent losing your settings, ensure you manually save them. After completing your configuration, click the Save button located in the top-right corner of the…
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What is default password of switch
The default username and password for a standalone mode switch are admin/1234. If you encounter any other issues, please help create a post here and tag @Zyxel_CSO , or create a ticket directly to reach us.
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RADIUS Defined Session Timeout
The Firmware 4.90 update for Zyxel switches introduces RADIUS-defined session timeout, providing administrators greater control over how long authenticated clients remain connected before they need to re-authenticate. This feature allows session timeouts to be managed either through the RADIUS server or locally on the…
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RADIUS with Port Identifiers
The new firmware update (version 4.90) for Zyxel switches introduces an enhancement for RADIUS authentication by adding port identifiers, specifically the NAS Port ID and Port Type attributes. This update allows administrators to add an additional layer of security to network access control, ensuring that only devices…
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CLI Execution via SSH
With Firmware 4.90, Zyxel has introduced CLI Execution via SSH for its switches, enabling administrators to execute Command Line Interface (CLI) commands directly over SSH. This enhancement allows for easy scripting and automation, streamlining configuration management and monitoring tasks. By supporting multiple commands…
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SSH Public Key Authentication
With the latest firmware update (version 4,90), Zyxel has introduced SSH Public Key Authentication to enhance security for accessing managed switches. This feature allows administrators to authenticate using SSH keys instead of a password, which provides an added layer of protection, especially for sensitive network…
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Networked AV Wizard Optimization
The new firmware version 4.90 from Zyxel introduces a major update to the Networked AV Wizard to optimize multicast handling for audio-video (AV) protocols commonly used in professional AV systems, such as Dante. This enhancement streamlines multicast and DSCP prioritization for AV traffic, improving performance in…
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Switch IPv6 Support Enhancement
In the firmware version 4.90, Zyxel has introduced an enhancement to IPv6 support for switches, providing more management options and greater clarity in the user interface. This update expands remote management capabilities for IPv6 and improves visibility of IPv6 connection types and status indicators. Overview of the…
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Auto Media Type Detection
The firmware version 4.90 introduces a convenient new feature for switch configurations: Auto Media Type Detection. This enhancement allows Zyxel switches to automatically detect the media type of connected devices, streamlining network setup and reducing the need for manual configuration. What is Auto Media Type…
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Switch Search Bar Enhancement
In the firmware version 4.90, Zyxel has introduced a new search bar enhancement specifically designed to make navigation within the Switch interface more intuitive and efficient. This update allows users to quickly locate configuration pages and settings using predefined keywords, significantly improving the user…
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Manually Setting Date and Time on Zyxel Switch
This FAQ guide explains how to manually set the date and time on Zyxel switch through the web GUI when the automatic time synchronization from a time server is disabled. # Background The Zyxel switch typically obtains its date and time from a Network Time Protocol (NTP) server. However, there may be situations where you…
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Can I use SNMP to monitor per port PoE consumption of my Zyxel switch?
You can use Zyxel private PoE MIB file, POWER-ETHERNET-MIB, to monitor per-port PoE consumption. Please find the MIB file from the Zyxel download library. The relevant OID is .1.3.6.1.4.1.890.1.15.3.59.2.1.1.1 Note: Currently only GS1350 series, XS1930 series(with access L3 license), XMG1930 series (with access L3…
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Which Zyxel switch model support enable/disable PoE function via SNMP?
These models that support the PoE function can use SNMP to enable the PoE: GS1900 GS1915 XGS1915 GS1920 XS1930 XMG1930 XGS1930 GS2220 XGS2220 XGS2210
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Why I cannot enable/disable PoE function via SNMP?
Please check: You haven’t enabled the SNMP function on the switch or the SNMP community is mismatched. Your switch is unreachable. Please check the connection. The OID you use is wrong. The correct OID is “1.3.6.1.2.1.105.1.1.1.3.1.X” X is the port number. Note: If you encounter any issues, please contact @Zyxel_CSO .
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Can I use SNMP to enable/disable PoE function?
Yes, you can use SNMP to enable/disable the PoE function for the Zyxel PoE switch which supports the SNMP function. Please use the OID “.1.3.6.1.2.1.105.1.1.1.3.1.x”. x is the port number. Value 1 for enable and 2 for disable.