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  1. Zyxel Support Campus EMEA
  2. Cybersecurity
  3. Legacy Series

Legacy Series

  • Firewall [Convert Tool] - Online Configurator Converter
  • Zyxel Firewall [Convert Tool] - Troubleshoot Configuration Upload
  • VPN - Troubleshoot L2TP VPN over IPSec
  • VPN2S - Configure L2TP VPN
  • VPN - Configure L2TP over IPSec VPN using PSK [Stand-alone mode]
  • Legacy USG - How to configure BWM (QoS) and BWM for VoIP
  • [INT] DNS Suffix with SSL VPN SecuExtender
  • How to automatically reboot the Zywall/USG by schedule
  • Zyxel Firewall [VPN Routing] - Routing traffic from VPN tunnel to another VPN site [VPN Routing]
  • Disable Wireless on an ZyWall (USG) with integrated Access Point
  • High CPU utilization with ZyWALL Security Gateway
  • How do I clear the ARP table in ZyWALL/USG?
  • Is it possible to find out the temperature of the processor and motherboard in the ZyWALL 110/310/1100?
  • Legacy VPN - Configure IKEv1 SecuExtender IPSec Client-To-Site VPN
  • Legacy USG - Configure DNS on a Firewall
  • Legacy USG - How to setup SNAT in a VPN tunnel
  • VLAN - Configure VLAN on Legacy USG
  • Legacy USG - Configure Content Filter
  • Procedure to reboot device when ZySH is busy via Console
  • IPsec VPN (IKEv1) - typical error log messages
  • Legacy USG - Configure 2 WAN connections with the same VLAN
  • Zyxel Firewall [ZyWALL/USG] - Why is the ZyWALL / USG Series Gateway UI not available via the Google Chrome web browser?
  • Legacy USG - Configure an Anti-Spam Policy with Mail Scan and DNSBL
  • Wake On LAN configuration with ZyWALL USG
  • How to configure IKEv2 with MS-CHAPv2 on ZyWALL?
  • VPN - Configure L2TP VPN with Certificate on Windows 10
  • VPN - Configure L2TP over IPSec for Windows, MacOS X & iPhone iOS
  • IPSec Client - My IPSEC tunnel won´t open on Windows 10!
  • USG40W: 5GHz not working

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FAQ
The Zyxel online FAQ, dedicate to the frequently asked questions.
USG FLEX L2TP Android, Nebula License Migration, NAS326 Twonky Media Server
Warranty Expiration Date:
Model Name:
The Serial Number that you provided does not correspond to a Zyxel device. To create a Support or Warranty case, please ensure you enter the correct Serial Number.

If your Serial Number is still not matching with our device records, you can proceed with initiating a web support request by completing the form below, once you have successfully registered or logged in.
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Dear Valued Customer,

Your device was detected as a device purchased from an Internet Service Provider.

Please get in contact with your Internet Service Provider (ISP) for Support- or Warranty services.

If you are unsure about who your ISP is, please have a look at this article: Click here to view the article!

We were unable to verify the Support and Warranty status of your device using the provided Serial Number. If you purchased your device in North America, please submit a support request to the US support team here. This portal is exclusively for products and services sold in the EMEA region.
Please attach an invoice of your defective device(s) as proof of purchase.
Dear Zyxel Customer, We are currently experiencing issues with the Serial Number check, which may result in a timeout. Please try again later. In the meantime, you can sign in or continue using the options below without entering a Serial Number. Thank you for your understanding.