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Opening a Port on a 4.5G/5G Router

This guide shows you how to forward a TCP/UDP port on Nova’s Huawei 4.5G/5G router line. Port forwarding is often required for game consoles, CCTV-DVRs or home servers that must be reachable from the public Internet.

Why this matters

  • Enables external access to devices on your LAN.
  • Fixes Strict NAT issues in many online games.
  • Required for certain IoT or smart-home equipment.

Materials needed

  • Nova 4.5G/5G router (Huawei H112-372, B818-263 etc.).
  • Port number & protocol to open (e.g. TCP 32400).
  • Static (public) IP from Nova (ISK 490 / month).
  • Optional: reserved internal IP for the target device.

Step 1: Log in to the router

  1. On a device connected to the router, browse to 192.168.8.1.
  2. Username: admin.
  3. Password: your Wi-Fi key (or admin if unchanged).

Step 2: Navigate to Port Forwarding

  1. Click Advanced in the top bar.
  2. Go to Security ▸ Virtual Server in the left pane.
  3. Press + to add a new rule.

Step 3: Create the rule

Click Save to apply.

Step 4: Test & troubleshoot

  • Disconnect from Wi-Fi and test the port over mobile data (e.g. canyouseeme.org).
  • If the port is closed:
    1. Make sure static IP service is active.
    2. Ensure the device has a fixed internal IP.
    3. Verify the rule is Enabled and firewall is on.

Summary

Log in → Advanced ▸ Security ▸ Virtual Server → Add rule → Save → Test.
Without a static public IP, inbound traffic will not reach you due to CG-NAT.