1. Login to the Tacitine. (If you are configuring the Tacitine for the first time, the default Lan IP is http://192.168.100.1) and default username: admin & Password: admin99
2. Expand Network Setting
3. Click WAN1 for the WAN interface (WAN1 by default.), the Edit Interface window is displayed.
4. Enter the IP details provide by isp.
5. mention the default firewall policy > accept incoming connection