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Fiber Optic Router Setup: Basic Configuration
IP Address: 192.168.0.1 Username: admin, Password: admin. This article uses the broadband router D-Link di-740p as an example. The default management address is 192.168.0.1, and the management port is 8080.
Set a computer’s IP address to the same subnet as the router’s management address, for example, 192.168.0.2. Open the browser on the 192.168.0.2 computer, enter “http://192.168.0.1:8080” in the address bar, and press Enter to bring up the user login prompt. Enter the default management account and password from the broadband router’s manual to access the configuration interface.
To enable the router to auto-dial, we need to integrate the ADSL account into the router. Click the “Home” tab at the top, then click “WAN” on the left. Under PPP over Ethernet, you will find the section to set the ADSL account. Enter your applied ADSL account and password, then save the settings. Now, go to the “System Status” tab and click “System Information” to check the network connection status. In the WAN section, you can clearly see the network information obtained from the ADSL dial-up.
After setting up the ADSL account, we can access the internet through the broadband router. However, for better management and enhanced security, perform the following operations: Click the “Home” tab, then select “DHCP” on the left. In the DHCP server IP address range field, set the IP address scope. After saving, the fiber optic router setup will have the automatic IP address assignment function.
Fiber Optic Router Setup: Preventing Reckless BT Downloads
By default, all computers connected to the router are protected, meaning they are inside the internal network. Using P2P software like BT will be affected to some degree. We can use “DMZ” under the “Advanced” tab to set a declared host. The host set here will be exposed to the network. On one hand, it can use BT download software and set up IIS, FTP servers, etc., without worry, but on the other hand, it is also exposed to hackers and viruses. Therefore, the security measures for this computer must be well implemented. (If you declare a host solely for using P2P software like BT, it is very unwise. Actually, we can use the UPnP function to solve the problem of P2P software not working within the internal network. The method is to click the “Tools” tab in the router configuration interface, then select “Misc”, and set UPnP to “Enable”.)
Enter the filter tab in the broadband router configuration interface. We can filter data packets by various criteria including source and address, such as IP address, URL information, MAC address, and zone information.
Set “Active” for IP address filtering, then enter the IP address in the IP address range field, e.g., 192.168.0.111. The “Port Range” field actually requires port information. Since BT downloads use ports 6881 to 6889, we can filter here. For “Protocol” select TCP, and for “Schedule” set the effective time for this filter (the blocking time depends on the actual situation).
Fiber Optic Router Setup: Balancing Service and Security
When a computer is exposed to the internet, hackers and viruses can exploit vulnerabilities to attack it. Actually, we can solve this problem by setting up a virtual server.
Log into the broadband router configuration interface. Select the Virtual Server tab in the advanced settings interface. Activate the virtual server setting and enter the relevant virtual server information. For example, if we want to allow the computer at 192.168.0.112 to provide FTP services, but still want other ports to be protected by the router, we can virtualize only the FTP service. Set the personal IP address to 192.168.0.112, protocol mode to TCP (FTP service uses TCP protocol), and personal port to 21 (FTP uses port 21). Additionally, you can set the active time period for this virtual service under “Schedule”.
Fiber Optic Router Setup: Common Hardware Connection Methods
1, Telephone Line —> ADSL MODEM —> Computer
2, Twisted Pair (Ethernet Cable) —> Computer
3, Cable TV (Coaxial Cable) —> Cable MODEM —> Computer
4, Fiber Optic —> Media Converter —> Proxy Server —> PC
ADSL/VDSL PPPoE: Run third-party dial-up software like Enternet300 or the built-in dial-up program in Windows XP on the computer, enter the account and password provided by the ISP. You need to dial before each internet session;
Or, your ADSL MODEM has routing enabled, with the ISP-provided account and password entered, and the MODEM handles the dialing; (This broadband access method is typical, for example, the “Network Express” provided by China Telecom in the south.)
Static IP: The ISP provides you with a fixed IP address, subnet mask, default gateway, and DNS;
Dynamic IP: The computer’s TCP/IP properties are set to “Obtain an IP address automatically”. You can access the internet every time the computer starts; (This broadband access method is typical, for example, Shenzhen “Topway Video Communication”)
802.1X + Static IP: ISP provides a fixed IP address, dedicated dial-up software, account, and password;
802.1X + Dynamic IP: ISP provides dedicated dial-up software, account, and password;
WEB Authentication: Before each internet session, open the IE browser, go to the homepage specified by the ISP, enter the username and password provided by the ISP. Only after passing authentication can you perform other online operations;
Note: Access methods and hardware connection methods are not fixed pairings.
The fiber optic router setup content is introduced here. The connection and authentication methods mentioned above are just some of the more widely used broadband access methods. Of course, other topological connections and authentication methods exist; therefore, when you are unsure about your broadband type, it is best to consult your ISP: Is the IP address for my installed broadband access static or dynamic?