[2025 Jun. Notification] Zyxel x Tailscale: Scalable VPN Solutions Made Easy

Zyxel_Avani

Tailscale’s zero-config VPN is now built into Zyxel’s USG FLEX H series firewalls — ideal for solo professionals. It delivers zero-trust security and scalable plans, making secure networking simple and ready to grow.

💡 Why Partner with Tailscale?

• Broad User Coverage
  Flexible plans for power users and home setups — free for up to 3 users or 100 devices.
  
• Easy-to-Manage Mesh VPN
  Intuitive portal streamlines node setup and license management.
  
• Secure & Seamless Sign-In  Easily authenticate with Google, Microsoft, Apple ID, and more — with built-in SSO and MFA support.
  
• Secure & Scalable
  Cross-platform support with enterprise-ready Zero Trust architecture.

⚙️ Tailscale VPN Setup – Simplified Steps

　　✔️ Generate an Auth Key
　　　　Log in to the Tailscale Admin Console and create an authentication key.

　　✔️ Enable Tailscale on Your Zyxel Firewall
　　　　Go to the firewall’s interface, turn on Tailscale, and paste the authentication key.

　　✔️ Share and Receive LAN Networks
　　　　1.) Enable Advertised Network to share your Zyxel LAN subnets with other Tailscale devices.

　　　　2.) Enable Accept Routes to receive routes from remote Tailscale peers.

　　✔️ Approve Routes in the Admin Console
　　　　Log back into the Tailscale Admin Console to approve routes. This step is required for devices to fully communicate across sites.

　　✔️ Set your Zyxel firewall as an Exit Node

　　　　Routes internet-bound traffic from Tailscale clients through the firewall.

　　✔️ Turn on NAT Default Source NAT

　　　　This ensures that traffic is routed correctly and securely.

　　✔️ Ensure IP Helper Service is running for client operation

⭐ Comprehensive Comparison of Our VPN Solutions

🛠 SecuExtender

A traditional enterprise VPN for large-scale user management. Offers IPSec IKEv2 and SSL VPN, compatible with Windows and macOS. Authentication via local database, RADIUS, Active Directory, and Nebula CloudAuth.

🛠 Tailscale

A lightweight WireGuard-based VPN focused on peer-to-peer connections and easy setup. Supports USG FLEX H series only. Works on Windows, macOS/iOS, Android, and Linux. Uses cloud identity providers like Microsoft, Google, and Apple for authentication.

✨Now, you’re all set! With Tailscale VPN now running on your Zyxel firewall, secure, zero-config networking is just a few clicks away — no more VPN hassles.

💬 We’d love to hear from you!

Tried Tailscale on your USG FLEX H Series? Have a clever setup or trick to simplify VPN management?

Drop your thoughts below — your experience could spark new ideas for others!