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


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!
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