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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…
Nebula Cloud Service Incident 2025-04-14 09:22 ~ 11:10 (UTC+0)
Dear Nebula Users, The system had some issues due to an incident. Issue Started from: 2025-04-14 09:22 (UTC+0) Resolved: 2025-04-14 11:10 (UTC+0) Issue Symptom & Risk: - (Resolved) Some pages are unable to load successfully. Refreshing the page will help to load the data. - The pages that relate to the H series's…
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…

Latest Discussions

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…
I can't access the web UI of the USG FLEX 500 but it is working.
I can't access the web UI of the USG FLEX 500 but it is working. I've tried connecting to the other port and, I can Access the Web UI on that one. I try to restart the USG FLEX but still not able to visit the WEB UI. Last Friday we can still access it but now we can't, What should be the error?
Nebula NCC blocked by firewall
Hello everyone, we are replacing hardware on different companies and we are experiencing some problems like being blocked by their old firewalls. I see that this should be the guide: But I would like to know if Zyxel has a batch to execute inside a PC in those networks to check which of the above rules are missing. I'm at…
V1.31 not stable to the UI
FLEX200H V1.31 Short uptime and I get this
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
Access Point for Zyxel FWA710 5g router
Good morning. I purchased a Zyxel FWA710 5g router. I need to connect it to an access point preferably of the same Zyxel brand. It is used at home so I would like only one product (switch + wireless). The requirements are 4 physical ethernet ports for the users, plus one for the WAN (UpLink) of the 5g router. Another…
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…
need interface rate limiting
Not yet tested BWM but to really test this interface rate limiting is needed. Also be able to limit by Mb and Kb Thanks
Built-in ACME Client
As you know, CA/B Forum has voted to shorten validity period for SSL/TLS certificates. Current: Public SSL/TLS certificates currently have a maximum validity of 13 months (approximately 398 days). Upcoming Changes: 2026: Maximum validity will be reduced to 200 days. 2027: Maximum validity will be further reduced to 100…
Strange log message. Is this an error?
Hi Anyone that knows what this means? I have not seen any link up/down. Happened 9 days ago on one port. And yesterday on two ports. Hardware fail? The switch is just 2 weeks old. 2 2024-12-09T23:12:28Z NO system: PethPse Port 7 - Axis-garage-2 OnOff Trap Port Detection Status is Delivering Power 3 2024-12-09T23:12:28Z NO…

Latest solutions

I can't access the web UI of the USG FLEX 500 but it is working.
I can't access the web UI of the USG FLEX 500 but it is working. I've tried connecting to the other port and, I can Access the Web UI on that one. I try to restart the USG FLEX but still not able to visit the WEB UI. Last Friday we can still access it but now we can't, What should be the error?
Nebula NCC blocked by firewall
Hello everyone, we are replacing hardware on different companies and we are experiencing some problems like being blocked by their old firewalls. I see that this should be the guide: But I would like to know if Zyxel has a batch to execute inside a PC in those networks to check which of the above rules are missing. I'm at…
V1.31 not stable to the UI
FLEX200H V1.31 Short uptime and I get this
Access Point for Zyxel FWA710 5g router
Good morning. I purchased a Zyxel FWA710 5g router. I need to connect it to an access point preferably of the same Zyxel brand. It is used at home so I would like only one product (switch + wireless). The requirements are 4 physical ethernet ports for the users, plus one for the WAN (UpLink) of the 5g router. Another…
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…
need interface rate limiting
Not yet tested BWM but to really test this interface rate limiting is needed. Also be able to limit by Mb and Kb Thanks
Strange log message. Is this an error?
Hi Anyone that knows what this means? I have not seen any link up/down. Happened 9 days ago on one port. And yesterday on two ports. Hardware fail? The switch is just 2 weeks old. 2 2024-12-09T23:12:28Z NO system: PethPse Port 7 - Axis-garage-2 OnOff Trap Port Detection Status is Delivering Power 3 2024-12-09T23:12:28Z NO…
e2fsck
Hello! dmesg offers e2fsck running: "EXT4-fs (dm-2): warning: mounting fs with errors, running e2fsck is recommended" But dm-2 mounted. I tried: ~ # umount -f /dev/md2 umount: /i-data/9dba6a2b: target is busy Well. Can I add this command to rc.shutdown file? After this: [quote]/bin/umount cat /proc/mounts|grep /dev/md|awk…
[NR7302] IP passthrough not working
I'm running the device on 1.00(ACHA.4)b5_F0 and it's connected to the Telekom network in Germany. I'm trying to get IP passthrough working correctly. So I connected it to a dedicated port on a OpenWRT router and IP passthrough is set to dynamic mode. I can see that the mode is enabled and the device even shows the…
downgraded organisations
I don't understand this. at 12-04-2025 we receive the message it will be downgraded in 15 days, and at 13-04-2025 i get the message it is downgraded. We want to use the API to get tickets for organisations which are in grace period yours dennis

Unanswered Discussions

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
Users may not be able to upgrade to V1.32 if on 131ABWV0ITS-0311-GUI
If on 131ABWV0ITS-0311-GUI So today was not able to update to to V1.32 by UI but could see V1.32 in Nebula under firmware type latest but when you click to upgrade nothing happens so only way was to install another firmware like 131ABWV0-0203-sysrepo then by UI was able to download and upgrade to V1.32
DX3301-T0 Telnet
I have just installed a new DX3301-TO. When I try and access by ssh I get the incorrect host key message. When I try and telnet in it refuses to connect. In Maintenance > Remote Management telnet is not listed. How do I install a correct host key and how do I add telnet for remote maangement, please?
Disable SIP ALG
Hi there, for days and days i am trying to disable sip alg from interface of my EX3501-T0 router but i couldnt find the settings of it. My sip phone doesnt work otherwise. Please give ideas
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.

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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…
Enhancing Shared Office Operations, Efficiency, and Security for Businesses
Doplin Business Center ——————————————————————————————————————————————————————— Overview Doplin Business Center operates multiple locations in Taipei, providing businesses with a stable and efficient network environment to support daily operations. With Zyxel Networks' advanced networking technology, the business center…
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…