In modern remote-first workflows, a predictable public IP address is foundational for hosting self-hosted servers, cloud storage clusters (NAS), and personal WireGuard/OpenVPN gateways.

Taiwan’s primary ISP, Chunghwa Telecom (CHT HiNet), offers an exceptionally convenient feature for residential fiber lines: “1 Static IP + 7 Dynamic IPs.” This allows developers and small creative studios to maintain a permanent public routing address without subscribing to expensive leased lines.

This guide walks you through configuring your router’s WAN interface to claim your designated static IP via PPPoE.

1. Semi-Static IP via PPPoE Dial-Up Configuration

Residential HiNet accounts assign a fixed public IP bound directly to your line profile using an authentication realm modification.

Step 1: Access the Router Management Console

  1. Connect your PC to the primary gateway router and open a browser to 192.168.1.1 or your custom gateway subnet.
  2. Enter your administrative credentials.

Step 2: Configure PPPoE Credentials

  1. Navigate to the router’s Internet / WAN Configuration interface.
  2. Verify that connection type is set to PPPoE.
  3. Adjust the dial-up username:
  4. Enter your CHT account password.
  5. Enable Keep Alive / Auto-Reconnect and apply changes to reboot the WAN session.

Step 3: Verify the WAN Lease

Inspect the router’s status dashboard to confirm that the WAN IPv4 address matches the static IP registered in your Chunghwa Telecom account portal. Once active, configure port forwarding (NAT Virtual Server) to direct inbound traffic to your home server or VPN container.

2. Dedicated Enterprise Static IP (Static Routing)

For dedicated corporate fiber connections (FTTB/FTTH Enterprise), dial-up PPPoE is bypassed entirely in favor of static WAN parameters:

  1. Under WAN connection type, select Static IP.
  2. Manually populate the parameters assigned by the telecom engineer:
    • IP Address: e.g., xxx.xxx.xxx.xxx
    • Subnet Mask: e.g., 255.255.255.252 or /29
    • Default Gateway: Gateway router hop
    • Primary DNS: 168.95.1.1 (HiNet DNS)

Summary

By switching the authentication string suffix to @ip.hinet.net, you can instantly transform a consumer fiber connection into an always-accessible server host, eliminating reliance on dynamic DNS (DDNS) providers.

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TagsVPNServersNetworkingBroadbandRouters

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