[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 secure and intuitive VPN client designed for remote workers and branch offices to establish trusted connections to corporate networks. Supporting both IPSec and SSL VPN protocols, it ensures data confidentiality and integrity through strong encryption and authentication.

🛠 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!