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[Trade-Up Program] 🔄 Time to Trade Up: Say Goodbye to Legacy USG, Hello to Next-Level Securi…
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NebulaFlex Switch GS2220 Series - V5.00 Patch 1 Firmware Release
Zyxel Switch GS2220 Series Release Note April 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS2220-10 - V5.00(ABRO.1)C0 Zyxel GS2220-10HP - V5.00(ABRP.1)C0 Zyxel GS2220-24 - V5.00(ABRQ.1)C0 Zyxel GS2220-28HP - V5.00(ABRR.1)C0 Zyxel GS2220-50 - V5.00(ABRS.1)C0 Zyxel…
NebulaFlex Switch GS1920 Series - V5.00 Patch 1 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.1)C0 Zyxel GS1920-24v2 - V5.00(ABMH.1)C0 Zyxel GS1920-24HPv2 - V5.00(ABMI.1)C0 Zyxel GS1920-48v2 - V5.00(ABMJ.1)C0 Zyxel GS1920-48HPv2 - V5.00(ABMK.1)C0 New…
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…
[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!
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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…

Latest Discussions

Usg flex h with build in wifi
I was wondering if there will be an model of the flex h series with build in WiFi. There is an flex 100 ax, but i think in 2030 this will eol?
IPSec sessions on the firewall not terminated after a while of being idle?
I have the following scenario: I manually connect with a device (smartphone or notebook) and via IPSec VPN client (the ones generated by the USG-20W-VPN), StrongSwan resp. Win1x Client from outside. Now, when I take the device(s) again in WiFi range, they reconnect to the WiFi ergo the IPSec tunnel is not used anymore.…
How to restart Nebula process ?
Question: You may find the Nebula show offline, but there were no netwoking interrupt How to restart Nebula process ? Answer: 1)Please log in Firewall by SSH. 2)And perform the following command usgflex500h> cmd debug nebula callhome restart Please share the diaginfo if it did not work.
What does the message "Peer not reachable" in the log mean?
Question: What does the message "Peer not reachable" in the log mean? Answer: It mean the VPN peer gateway does not reply ike negotiation. Please kindly check the peer gateway status if you found this logs.
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…
[Nebula APP IOS] Why I stock at APP store after clicking update notification from Nebula APP?
After the Nebula APP 19.00 release, IOS users may stock at the APP store after clicking the update notification from the Nebula APP. If you encounter this issue, please close the Nebula APP and search for it on the App Store to update.
How to check webgui setting by CLI
Question: How to check webgui setting by CLI ? Answer: 1)Log in Firewall by SSH. 2)Peform the following command, It will show the status of Port/Cerficate/Enabled usgflex500h> show config vrf main http-server
Can my mobile router be added to Nebula?
To quickly verify and confirm whether your mobile router can be added to Nebula, please check the sticker on the device or package box for the Nebula QR code.
How to migrate the license from USG60W to USG FLEX 200?
To migrate the license from the USG60W to the USG FLEX 200, ensure both devices are registered under the same MyZyxel account. The steps for license migration can be found in Question 8 of this article. USG FLEX Frequently Asked Questions — Zyxel Community Currently, we do not offer a self-service tool for license…
H-serie firewall v1.32(ACLP.0), Gui Object-Schedule creation not possible. What is wrong?
I want to create a schedule plan to disable internet access on WAN port and to disable power on the poe port for energy savings during night hours. The stop time (05:30Hr) is later as the start time (00:30hr) on the same day. I failed to create a recurring schedule object in gui, by getting an error message. Entering the…

Latest solutions

Usg flex h with build in wifi
I was wondering if there will be an model of the flex h series with build in WiFi. There is an flex 100 ax, but i think in 2030 this will eol?
IPSec sessions on the firewall not terminated after a while of being idle?
I have the following scenario: I manually connect with a device (smartphone or notebook) and via IPSec VPN client (the ones generated by the USG-20W-VPN), StrongSwan resp. Win1x Client from outside. Now, when I take the device(s) again in WiFi range, they reconnect to the WiFi ergo the IPSec tunnel is not used anymore.…
H-serie firewall v1.32(ACLP.0), Gui Object-Schedule creation not possible. What is wrong?
I want to create a schedule plan to disable internet access on WAN port and to disable power on the poe port for energy savings during night hours. The stop time (05:30Hr) is later as the start time (00:30hr) on the same day. I failed to create a recurring schedule object in gui, by getting an error message. Entering the…
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…
Migrating from USG210 to FLEX500H
I downloaded file startup-config.conf from my USG210 V4.73(AAPI.2). I was able to convert it FLEX500 successfully. I then go to the migration tool to convert from FLEX500 to FLEX500 H and I get this error.
VPN100 IPSec VPN Issue
I have a Zyxel VPN100 and trying to get an IPSec VPN tunnel established with another device on another network It gets through phase 1 and phase2 and says the tunnel is built successfully. But then it always says IKE SA is disconnected and the tunnel collapses The VPN100 is behind another router that is not in bridge mode…
Is there a way to remove one of the test services that came in a standard 30 days test version?
Disable AP Isolation.
My internet company just installed a Zyxel router and now I can connect several of my devices, including my google nest and my VR headset. I tried calling my internet provider and they are useless. I read somewhere I might have to disable AP isolation. So I registered onthe Zyxel site, entered my MAC ID and serial number…
How to unlock ISP locked router
Hello, few days ago I had to buy VMG3625-T50B from my ISP. It is running V5.50(ACBD.0)b4 (firmware is modified by ISP and it is really old). I tried installing firmware from zyxel website - 5.50(ABPM.9.3)C0, but it failed (invalid firmware). Is there some way to flash official zyxel firmware?
How get supervisor od root password of NR7103 modem?
Hi, how can I get supervisor/root password of Zyxel NR7103 5G modem? I lost sticker on backs modem with default generated password. Someone wrote here that the password can be generated by the serial number, can someone help me with it please? If not, I throw it in the trash. :D Thank you. David

Unanswered Discussions

NR7302 5g router issues
Hi I just purchased the Zyxel NR7302 5g router and it is causing me a ton of issues. Slow speed when I connect my Asus router via lan. 60mbit via NR6g-NSA instead of 350mbit via my iphone with the same sim card. wifi on the Zyxel router has no internet. My firmware is 1.00(ACHA.4)b5_F0. When I search for newer firmware via…
Severe Network Lag After Updating to FWA510 V1.18(ACGD.5)C0 – Router Mode Unusable
Dear Zyxel Support Team, I am using the Zyxel FWA510 as a wireless router. After updating the firmware to V1.18(ACGD.5)C0, I encountered severe network lag and significant performance degradation. Issue Description: After upgrading to V1.18(ACGD.5)C0, the network became extremely unstable. Web browsing, video streaming,…
NWA50AX as repeater, power only over PoE?
Hi, I have 2 NWA50AX in simple "Root" and "Repeater" mode. The root is normal PoE, both data and power. In testing, I could not get the 2nd unit to work as repeater until I removed the PoE/data cable and used the adapter for power. This makes sense if the WiFi connection and the ethernet connection were conflicting…
1-Way Speech on outbound calls
I've got a SIP account registered on a Zyxel vmg8623-t50b. Inbound calls work perfectly but I'm getting one way speech on outbound calls, the person I call can hear me but I can't hear them, my VoIP provider say's it's an issue with the router settings. They've recommended that the RTP ports should be set to 35000 to 65000…
NAS 540 how to acces app store manually
supervisor/root and admin password of my NR7303
Hello, I'm need the supervisor/root and admin password of my NR7303. S/N is S240Z29003300 Can someone help me please? Many thanks.
How to install Emby server on NAS326?
Suche die Software für den NSA 325 V2 Windows 11
WAN led blinks now why?
I've had three different Zyxel routers the last few years from our isp and the WAN led has always been solid green when working and red when misconfigured; its always flashed when first connecting/booting up then solid. But the for a nu.ber of months now the service here has been manipulated in ways that have made a…
how to use second hdd in nas326

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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…
Zyxel Networks Powers the Mission to Establish Minneapolis as the First NFL City to...
Zyxel Networks Powers the Mission to Establish Minneapolis as the First NFL City to Be Completely Covered by Fiber US Internet (USI) ——————————————————————————————————————————————————————— Overview US Internet (USI) has been providing wireless internet services in Minneapolis, making it the first large city with citywide…