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USG FLEX H Series - V1.32Patch 0 Firmware Release
Zywall USG FLEX H Series Release Note April 2025 Firmware Version on all models * Please use the cloud firmware upgrade function to upgrade USG FLEX H Series USG FLEX H SeriesFirmware…
NebulaFlex Switch GS1920 Series - V5.00 Patch 0 Firmware Release
Zyxel Switch GS1920 Series Release Note April 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1920-8HPv2 - V5.00(ABKZ.0)C0 Zyxel GS1920-24v2 - V5.00(ABMH.0)C0 Zyxel GS1920-24HPv2 - V5.00(ABMI.0)C0 Zyxel GS1920-48v2 - V5.00(ABMJ.0)C0 Zyxel GS1920-48HPv2 - V5.00(ABMK.0)C0 New…
[Release Note] Nebula Control Center - 19.00 software Release!
Zyxel Nebula Control Center Release Note Common NCC (Organization,Site-wide,etc.): * Enhance the UI/UX for MSP Cross-Org synchronization to make it clearer and easier to use. (Nebula MSP Pack license is required) * Improve banner UI/UX to let eligible org enable NCC Pro easily. Wireless LAN (WLAN): * Added WiFi Alert…
[Release Note] Nebula Control Center - 19.00 software Release!
This discussion has been moved.
Nebula CC Upgrade Notification - 2025-04-14 00:20 ~ 2025-04-14 01:21
Dear Nebula Users, The system will temporarily unavailable due to the upgrading. Reason: Nebula Control Center will be upgrading to release 19.00. Started from: 2025-04-14 00:20 (UTC+0) Completed: 2025-04-14 01:00 (UTC+0) 2025-04-14 01:30 (UTC+0) 2025-04-14 01:21 (UTC+0) Affected scope & Risk: All users will be force…
[2025 April Spotlight] Sync Smarter, Stress Less with USG FLEX H!
Hey Network Managers, Your Chaos-Busting Hero Has Landed! Managing a hybrid network—part cloud, part on-premises—can feel like you’re starring in a disaster movie. One minute you’re tweaking cloud configurations, the next you’re scrambling to update on-premises settings, all while hoping nothing explodes. Sound familiar?…
Switch GS1900 Series - V2.90 Patch 1 Firmware Release
Zyxel Switch GS1900 Series Release Note March 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1900-8 - V2.90(AAHH.1)C0 Zyxel GS1900-8HP - V2.90(AAHI.1)C0 Zyxel GS1900-8HP(Rev. B1) - V2.90(AAHI.1)C0 Zyxel GS1900-10HP - V2.90(AAZI.1)C0 Zyxel GS1900-16 - V2.90(AAHJ.1)C0 Zyxel…
[2025 March] SecuReporter Maintenance Announcement
Dear Valued Customer, As part of our commitment to providing you with better and more efficient services, we will be carrying out a system migration process on Mar 15, 2025, from 9:00 AM to 12:00 PM (UTC+8). During this period, SecuReporter portal services and some related functions will be suspended. However, SecuReporter…
[Release Note] Zyxel Access Point - V7.10(ACGG.2)C0 firmware has been released
Access Points Firmware Release Note March 2025 Overview This document provides firmware release information on Zyxel Access Points platforms, introduce new Access Points, new features and enhancements, bug fix, known issues and workarounds information for Release V7.10 Patch 2 C0. Supported Platforms (Click Hyperlink to…
NebulaFlex Switch GS1350 Series - V4.90 Patch 2 Firmware Release
Zyxel Switch GS1350 Series Release Note February 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1350-6HP - V4.90(ABPI.2)C0 Zyxel GS1350-12HP - V4.90(ABPJ.2)C0 Zyxel GS1350-18HP - V4.90(ABPK.2)C0 Zyxel GS1350-26HP - V4.90(ABPL.2)C0 New Feature and Enhancements 1. [Nebula]…

Latest Discussions

NAS 326 change disks
Hello! I have the Zyxel NAS 326 with two 2TB disks installed in basic mode. The disks are full. I would like to change two 3TB disks. How to quickly copy/replace this two disks? 2 TB disk "linux dd command" copy to new 3TB disk? After that how expand the disk? Or i install the two new disks into the NAS, and and format…
V1.32 not stable to the UI
Seems its back with V1.32 does not take much uptime to happen a few hours rebooted two times
USG Flex H-Series - Official firmware downloads?
Hi Zyxel Team! There are no H-models in the myZyxel.com portal to download official firmwares for the devices. Even when I follow the download-link in the support page of the device (https://portal.myzyxel.com/my/firmwares?fw_version=1.31(ABZI.0)C0&model=USG%20FLEX%20700H) there is nothing in the download-section. I tried…
Email notification sent to a DEACTIVATED admin
Hello everyone, I set an Organization with 2 sites with alerts to all admins: I have deactivated an admin: Anyway the "orange" admin is still receiving email alerts. It seems strange to me this behaviour.
Moving Configuration between different models
I have now some ZyWALL 310 I wish to upgrade to a newer model. Can I move the configuration to the new firewall, probably a USGFLEX, or do I need to rewrite it from scratch ?
VPN Connection Issue
Hi all, I'm wandering around a client-to-site VPN access issue. Scenario: HQ USG310 (will be be replaced with 500H) with IKE2 with cert. client-to-site VPN and about 40 remote clients. Some of them have strange connection issues "seemingly" related to the internet connection. I took a couple of laptops and phones from the…
Is there a way to remove one of the test services that came in a standard 30 days test version?
Unable to access my Three NR5103EV2
I have been using Three's Mi-Fi devices to connect to the internet for over 10 years. My second 5G device is a Three NR5103EV2. It is working OK for all my many home devices. I am unable to access it's 'Dash board' on my Windows 11 PC and my iPhone Zyxel Air app. I have reset the 5103 using the recessed switch on it's…
NR7101 working with vlans throught LAN interface
Please, I want your help. I have the Zyxel NR7101 5G with ip-passthrough. I want to get Zyxel ip from my router via VLAN (e.g vlan ID30) as a DHCP client. Is it possible? If it's not working as a DHCP Client is there any solution to get an ip via VLAN from router?
Problem with NR5103EV2 device
Model Name NR5103EV2 Firmware Version V1.00(ACIR.1)C0 With it, there’s the following problem, with the following symtomatics. For example, there was a network on LAN 192.168.1.0/24 addresses of Router 192.168.1.1 , on WAN Cellular Hung address 192.168.1.2 (what is it? start problems. packet loss.) change to LAN on…

Latest solutions

V1.32 not stable to the UI
Seems its back with V1.32 does not take much uptime to happen a few hours rebooted two times
Email notification sent to a DEACTIVATED admin
Hello everyone, I set an Organization with 2 sites with alerts to all admins: I have deactivated an admin: Anyway the "orange" admin is still receiving email alerts. It seems strange to me this behaviour.
Moving Configuration between different models
I have now some ZyWALL 310 I wish to upgrade to a newer model. Can I move the configuration to the new firewall, probably a USGFLEX, or do I need to rewrite it from scratch ?
VPN Connection Issue
Hi all, I'm wandering around a client-to-site VPN access issue. Scenario: HQ USG310 (will be be replaced with 500H) with IKE2 with cert. client-to-site VPN and about 40 remote clients. Some of them have strange connection issues "seemingly" related to the internet connection. I took a couple of laptops and phones from the…
Is there a way to remove one of the test services that came in a standard 30 days test version?
NR7101 working with vlans throught LAN interface
Please, I want your help. I have the Zyxel NR7101 5G with ip-passthrough. I want to get Zyxel ip from my router via VLAN (e.g vlan ID30) as a DHCP client. Is it possible? If it's not working as a DHCP Client is there any solution to get an ip via VLAN from router?
Problem with NR5103EV2 device
Model Name NR5103EV2 Firmware Version V1.00(ACIR.1)C0 With it, there’s the following problem, with the following symtomatics. For example, there was a network on LAN 192.168.1.0/24 addresses of Router 192.168.1.1 , on WAN Cellular Hung address 192.168.1.2 (what is it? start problems. packet loss.) change to LAN on…
The LTE7490-M904 needs more than one minute to reconnect the cell?
The wind tower disconnect the router every four hours. This happen also with my mobile phone, but the mobile phone reconnect again in a few seconds. Instead the LTE7490-M904 needs more than one minute to reconnect the broadband… If I am in a zoom call, it's a pain. Thank you
Update DNS Servers on all devices in 1 move
So we experienced in Belgium huge problems with OpenDNS. It seems that through decision of court, OpenDNS is no longer available in Belgium. That meant massive amount of work: Change DC's, Hyper-V's, IPMI, MFC's,… and now for the last step all my Nebula Devices. I hence it's a small chance, but is it possible to change all…
Intra ID SSID acces - Which MS Licens?
Hi, Does Business Standard + INTUNE license support the Intra ID single sign on SSID just released? Ref below: https://community.zyxel.com/en/discussion/27618/how-to-configure-saml-authentication-with-microsoft-entra-id

Unanswered Discussions

Request for NR5103V2 Latest Firmware (Linked from Zyxel security advisory CVE-2024-5412)
Hi, I was browsing to find solutions for the problems I had with my NR5103V2 lately, including: Slow connections when browsing the web and downloading files( less than 0.5 mb/s), while on the other hand speed test result seem otherwise! Unable to connect ipv6, moreover I saved a copy of configuration with the setup I had…
FWA710 problema di disconnessione del router
Buongiorno, il mio FWA710 perde ip nonostante la connessione sia attiva. Riesce ad aggregare le bande B1,7,3,20,N78 ma sabato scorso ha perso l'ip alle 10.45 ed sono rimasto senza connessione per 38 ore finché ho riavviato il router domenica sera al mio rientro a casa. Network Monitoring Feature è sempre stato attivo ma…
DHCP Server Guard - conflict with Sophos?
Hello everyone, as you can see in this thread: I had an issue when enabling DHCP Server Guard on Nebula platform. I installed a switch on site and it was unable to get an IP from Sophos firewall, but the switch itself was working properly locally managing traffic between VLANs. Is there any known issue between DHCP Server…
Zyxel VMG4005-B50A re-connection problem
Hi, I use the VMG4005 in bridge mode with TIM FTTC and I have, currently, a slightly unstable line. When the modem loses the connection it does not reconnect automatically, I have to turn power off and on again to get back online. With the TIM modem I do not have this problem (sure, the small interruption of connection…
transmission on nsa310s
there is nowhere to be found …..any help ?… thank you
NR5103 power cut during firmware update
As title. During a firmware update, there was a power cut. The NR5103 web interface won't come back up. Is there any way of recovery via USB or TFTP? I know the firmware is available for direct download from support pages
Zyxel XMG3927 B50A last firmware
Hello dear friend, I bought a xmg3927 b50a model modem from my friend. But I couldn't find the latest software anywhere. Where can I download the latest software file and how can I install it? I would be glad if you support me. Thank you.
Nebula/on-prem: bonjour reflection (e.g. AirPrint, Chromecasts, Spotify)
Hello everyone, I am looking for some improvements about the need to share printers across differents VLANS. That is needed when you have multifunctions to be shared across different subnets and when you want to be green-friendly (buying only one printer) but also be careful about IT security with WiFi guests. I was on…
Auto startup Zyxel WAH7601mobile router
Hello, My Zyxel WAH7601 mobile router shuts down intermittently for an unknown reason. Is there a way to configure the router to automatically start up when connected to a power socket?
UDP port 4500 sometime get blocked when allowed over bridge V2
So still happing this problem turns out was not the LAG bridge setup as I now have two port bridge on VPN300 but the only way to fix is to clear the NATT session in this case from 82.132.220.254 which UDP 4500 comes in on one interface of the bridge and does not send out the other interface until session is cleared then it…

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Enhancing Operational Efficiency and WiFi Experience in Korean Dental Hospital
Dental clinic ——————————————————————————————————————————————————————— Overview The dental hospital relies on oral scanners for treatment and checkups. Initially, the hospital installed a single router positioned in the lobby’s reception area to facilitate wireless connectivity. However, this setup proved insufficient to…
Strengthening Surveillance Infrastructure at a District Court in West Bengal
District Court ——————————————————————————————————————————————————————— Overview Zyxel Networks, in collaboration with its partner Active Networks, undertook a significant project to upgrade the surveillance infrastructure at a district court in West Bengal. The goal was to implement a comprehensive CCTV system across…
Enhancing Surveillance Infrastructure at a Leading International Airport in Gujarat
International Airport in Gujarat ——————————————————————————————————————————————————————— Overview Situated in Gujarat, a significant airport undertook a major upgrade to its surveillance infrastructure to meet increasing security demands. The airport, experiencing growth in passenger and cargo traffic, recognized the…
Shifting into High Gear with Innovative Service Experiences Powered by Nebula
Schultes car dealership ——————————————————————————————————————————————————————— Overview In crafting the new showrooms for SEAT and CUPRA, the goal was to deliver a cutting-edge, visually stunning experience. By integrating advanced multimedia terminals and virtual car displays, the need for a robust, fast wireless network…
Modernizing Network Infrastructure to Boost Learning Experiences
Deutsche Schule Bratislava ——————————————————————————————————————————————————————— Overview Deutsche Schule Bratislava requires a robust network solution to support its advanced educational environment and operational needs across its expansive, multi-functional campus. Zyxel Networks designed a comprehensive 10GbE…
Boosting Operational Efficiency and Security for Leading Recycling Firm
Recycling - kovové odpady a.s. ——————————————————————————————————————————————————————— Overview Recycling - kovové odpady a.s. relies on robust IT infrastructure to ensure seamless communication and connectivity across its sites, as well as secure access for employees working remotely or on the go. However, as the company…