Mar 06

This article applies to the D-Link DSR-250N / DSR-500 / 500N / 1000 / 1000N:

Symptom: You cannot access the router‘s web-configuration interface from a PC on your LAN.

Recommended action:

1. Check the Ethernet connection between the PC and the D-Link router.

2. Ensure that your PC‘s IP address is on the same subnet as the router. If you are using the recommended addressing scheme, your PC‘s address should be in the range 192.168.10.2 to 192.168.10.254.

3. Check your PC‘s IP address. If the PC cannot reach a DHCP server, some versions of Windows and Mac OS generate and assign an IP address. These auto-generated addresses are in the range 169.254.x.x. If your IP address is in this range, check the connection from the PC to the firewall and reboot your PC.

4. If your DSR Series router‘s IP address has changed and you don‘t know what it is, reset the router configuration to factory defaults (this sets the firewall‘s IP address to 192.168.10.1).

5. If you do not want to reset to factory default settings and lose your configuration, reboot the router and use a packet sniffer (such as Ethereal™) to capture packets sent during the reboot. Look at the Address Resolution Protocol (ARP) packets to locate the router‘s LAN interface address.

6. Launch your browser and ensure that Java, JavaScript, or ActiveX is enabled. If you are using Internet Explorer, click Refresh to ensure that the Java applet is loaded. Close the browser and launch it again.

7. Ensure that you are using the correct login information. The factory default login name is admin and the password is password. Ensure that CAPS LOCK is off when entering this information.

Symptom: D-Link Router does not save configuration changes.

Recommended action:

1. When entering configuration settings, click Apply before moving to another menu or tab; otherwise your changes are lost.

2. Click Refresh or Reload in the browser. Your changes may have been made, but the browser may be caching the old configuration.

Symptom: Router cannot access the Internet.

Possible cause: If you use dynamic IP addresses, your router may not have requested an IP address from the ISP.
Recommended action:

1. Launch your browser and go to an external site such as www.google.com.

2. Access the firewall‘s configuration main menu at http://192.168.10.1.

3. Select Monitoring > Router Status.

4. Ensure that an IP address is shown for the WAN port. If 0.0.0.0 is shown, your firewall has not obtained an IP address from your ISP. See the next symptom.

Symptom: Router cannot obtain an IP address from the ISP.

Recommended action:

1. Turn off power to the cable or DSL modem.

2. Turn off the router.

3. Wait 5 minutes, and then reapply power to the cable or DSL modem.

4. When the modem LEDs indicate that it has resynchronized with the ISP, reapply power to the router. If the router still cannot obtain an ISP address, see the next symptom.

Symptom: Router still cannot obtain an IP address from the ISP.

Recommended action:

1. Ask your ISP if it requires a login program — PPP over Ethernet (PPPoE) or some other type of login.

2. If yes, verify that your configured login name and password are correct.

3. Ask your ISP if it checks for your PC’s hostname.

4. If yes, select Network Configuration > WAN Settings > Ethernet ISP Settings and set the account name to the PC hostname of your ISP account.

5. Ask your ISP if it allows only one Ethernet MAC address to connect to the Internet, and therefore checks for your PC‘s MAC address.

6. If yes, inform your ISP that you have bought a new network device, and ask them to use the firewall‘s MAC address.

7. Alternatively, select Network Configuration > WAN Settings > Ethernet ISP Settings and configure your router to spoof your PC‘s MAC address.

Symptom: Router can obtain an IP address, but PC is unable to load Internet pages.

Recommended action:

1. Ask your ISP for the addresses of its designated Domain Name System (DNS) servers. Configure your PC to recognize those addresses. For details, see your operating system documentation.

2. On your PC, configure the router to be its TCP/IP gateway.

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Feb 14

It is assumed that the user has a machine for management connected to the LAN to D-Link DSR Series the router. The LAN connection may be through the wired Ethernet ports available on the router, or once the initial setup is complete, the DSR may also be managed through its wireless interface as it is bridged with the LAN. Access the router‘s graphical user interface (GUI) for management by using any web browser, such as Microsoft Internet Explorer or Mozilla Firefox:

The D-Link DSR Series default IP address:

http://192.168.10.1

Default login credentials for the management GUI:

Username: admin
Password: admin

Note:If the router‘s LAN IP address was changed, use that IP address in the navigation bar of the browser to access the router ‘s management UI.

D-Link DSR Series Network Settings:

By default, the router functions as a Dynamic Host Configuration Protocol (DHCP) server to the hosts on the WLAN or LAN network. With DHCP, PCs and other LAN devices can be assigned IP addresses as well as addresses for DNS servers, Windows Internet Name Service (WINS) servers, and the default gateway. With the DHCP server enabled the router‘s IP address serves as the gatewa y address for LAN and WLAN clients. The PCs in the LAN are assigned IP addresses from a pool of addresses specified in this procedure. Each pool address is tested before it is assigned to avoid duplicate addresses on the LAN.

For most applications the default DHCP and TCP/IP settings are satisfactor y. If you want another PC on your network to be the DHCP server or if you are manually configuring the network settings of all of your PCs, set the DHCP mode to ‗none‘ .DHCP relay can be used to forward DHCP lease information from another LAN devi ce that is the network‘s DHCP server; this is particularly us eful for wireless clients.

Instead of using a DNS server, you can use a Windows Internet Naming Service (WINS) server. A WINS server is the equivalent of a DNS server but uses the NetBIOS protocol to resolve hostnames. The router includes the WINS server IP
address in the DHCP configuration when acknowledging a DHCP request from a DHCP client.

You can also enable DNS proxy for the LAN. When this is enabled the router then as a proxy for all DNS requests and communicates wit h the ISP‘s DNS servers. When disabled all DHCP clients receive the DNS IP addresses of the ISP.

To configure LAN Connectivity, please follow the steps below:

1. In the LAN Setup page, enter the following information for your router:

IP address (factor y default: 192.168.10.1).

If you change the IP address and click Save Settings, the GUI will not respond. Open a new connection to the new IP address and log in again. Be sure the LAN host (the machine used to manage the router) has obtained IP address from newly assigned pool (or has a static IP address in the router‘s LAN subnet) before accessing the router via changed IP address.

• Subnet mask (factor y default: 255.255.255.0).

2. In the DHCP section, select the DHCP mode:

• None: the router‘s DHCP server is disabled for the LAN
• DHCP Server. With this option the router assigns an IP address within the specified range plus additional specified information to any LAN device that requests DHCP served addresses.

• DHCP Relay: With this option enabled, DHCP clients on the LAN can receive IP address leases and corresponding information from a DHCP server on a different subnet. Specify the Relay Gateway, and when LAN clients make a DHCP request it will be passed along to the server accessible via the Relay Gateway IP address.

• If DHCP is being enabled, enter the following DHCP server parameters:

• Starting and Ending IP Addresses: Enter the first and last continuous addresses in the IP address pool. Any new DHCP client joining the LAN is assigned an IP address in this range. The default starting address is 192.168.10.2. The default ending address is 192.168.10.100. These addresses should be in the same IP address subnet as the router‘s LAN IP
address. You may wish to save part of the subnet range for devices with statically assigned IP addresses in the LAN.

• Primary and Secondary DNS servers: If configured domain name system (DNS) servers are available on the LAN enter their IP addresses here.

• WINS Server (optional): Enter the IP address for the WINS server or, if present in your network, the Windows NetBios server.

• Lease Time: Enter the time, in hours, for which IP addresses are leased to clients.

• Enable DNS Proxy: To enable the router to act as a proxy for all DNS requests and communicate with the ISP‘s DNS servers, click the checkbox.

3. Click Save Settings to apply all changes.

D-Link-DSR-Series

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Feb 14

Step 1: Click on the Advanced tab and select Firewall Settings > Firewall Rules.

Step 2: Click Add.

Step 3: Create Rule:

From Zone: Insecure (WAN)
To Zone: Secure (LAN)
Service: Choose Service (eg. Http)
Action: Always Allow

Internal IP address: IP of local machine hosting service (eg. 192.168.10.145)
Enable Port Forwarding: unchecked
Translate Port Numbers: Leave Unchecked
External IP address: Dedicated WAN

Step 4: Click Save Settings

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Feb 14

This article teach you how to conduct Internet configuration of the D-Link routers,D-Link DIR-601 as an example.

1.Dynamic IP Address (DHCP)

Enable Advanced DNS Service:

Advanced Domain Name System (DNS) services enhances your Internet performance by getting you the information and web pages you are looking for faster and more reliably. In addition, it improves your overall Internet experience by correcting many common typo mistakes automatically, taking you where you intended to go and saving you valuable time.

Disclaimer: D-Link makes no warranty as to the availability, reliability, functionality and operation of the Advanced DNS service or its features.

D-Link-DIR-601-DHCP

Host Name:

The Host Name is optional but may be required by some ISPs.

Use Unicasting:

Check the box if you are having problems obtaining an IP address from your ISP.

DNS Addresses:

Enter the Primary DNS server IP address assigned by your ISP.

MTU:

Maximum Transmission Unit – you may need to change the MTU for optimal performance with your specific ISP. 1500 is the default MTU.

MAC Address:

The default MAC Address is set to the Internet port’s physical interface MAC address on the Broadband Router. It is not recommended that you change the default MAC address unless required by your ISP. You can use the Clone Your PC’s MAC Address button to replace the Internet port’s MAC address with the MAC address of your Ethernet card.

2.Static IP Address

Select Static IP Address if all the Internet port’s IP information is provided to you by your ISP. You will need to enter in the IP address, subnet mask, gateway address, and DNS address(es) provided to you by your ISP. Each IP address entered in the fields must be in the appropriate IP form, which are four octets separated by a dot (x.x.x.x). The Router will not accept the IP address if it is not in this format.

D-Link-DIR-601-Static-IP

My Internet Connection:

Select Dynamic IP (DHCP) to obtain IP Address information automatically from your ISP. Select this option if your ISP does not give you any IP numbers to use. This option is commonly used for Cable modem services.

Enabled Advanced DNS Service:

Advanced Domain Name System (DNS) services enhances your Internet performance by getting you the information and web pages you are looking for faster and more reliably. In addition, it improves your overall Internet experience by correcting many common typo mistakes automatically, taking you where you intended to go and saving you valuable time.

IP Address:

Enter the IP address assigned by your ISP.

Subnet Mask:

Enter the Subnet Mask assigned by your ISP.

Default Gateway:

Enter the Gateway assigned by your ISP.

DNS Servers:

The DNS server information will be supplied by your ISP (Internet Service Provider.)

MAC Address:

The default MAC Address is set to the Internet port’s physical interface MAC address on the Broadband Router. It is not recommended that you change the default MAC address unless required by your ISP. You can use the Clone Your PC’s MAC Address button to replace the Internet port’s MAC address with the MAC address of your Ethernet card.

3.PPPoE

Choose PPPoE (Point to Point Protocol over Ethernet) if your ISP uses a PPPoE connection. Your ISP will provide you with a username and password. This option is typically used for DSL services. Make sure to remove your PPPoE software from your computer. The software is no longer needed and will not work through a router.

D-Link-DIR-601-PPPOE

My Internet Connection:

Select Dynamic IP (DHCP) to obtain IP Address information automatically from your ISP. Select this option if your ISP does not give you any IP numbers to use. This option is commonly used for Cable modem services.

Enable Advanced DNS Service:

Advanced Domain Name System (DNS) services enhances your Internet performance by getting you the information and web pages you are looking for faster and more reliably. In addition, it improves your overall Internet experience by correcting many common typo mistakes automatically, taking you where you intended to go and saving you valuable time.

Address Mode:

Select Static if your ISP assigned you the IP address, subnet mask, gateway, and DNS server addresses. In most cases, select Dynamic.

IP Address:

Enter the IP address (Static PPPoE only).

User Name:

Enter your PPPoE user name.

Password:

Enter your PPPoE password and then retype the password in the next box.

Service Name:

Enter the ISP Service Name (optional).

Reconnection Mode:

Select either Always-on, On-Demand, or Manual.

Maximum Idle Time:

Enter a maximum idle time during which the Internet connection is maintained during inactivity. To disable this feature, enable Auto-reconnect.

DNS Addresses:

Enter the Primary and Secondary DNS Server Addresses (Static PPPoE only).

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Feb 14

If you are connecting the D-Link router DIR-601 to another router to use as a wireless access point and/or switch, you will have to do the following before connecting the router to your network:

• Disable UPnP
• Disable DHCP
• Change the LAN IP address to an available address on your network. The LAN ports on the router cannot accept a DHCP address from your other router.

To connect to another router, please follow the steps below:

1. Plug the power into the router. Connect one of your computers to the router (LAN port) using an Ethernet cable. Make sure your IP address on the computer is 192.168.0.xxx (where xxx is between 2 and 254). Please see the Networking Basics section for more information. If you need to change the settings, write down your existing settings before making any changes. In most cases, your computer should be set to receive an IP address automatically in which case you will not have to do anything to your computer.

2. Open a web browser and enter http://192.168.0.1 and press Enter. When the login window appears, set the user name to Admin and leave the password box empty. Click Log In to continue.

3. Click on Advanced and then click Advanced Network. Uncheck the Enable UPnP checkbox. Click Save Settings to continue.

4. Click Setup and then click Network Settings. Uncheck the Enable DHCP Server server checkbox. Click Save Settings to continue.

5. Under Router Settings, enter an available IP address and the subnet mask of your network. Click Save Settings to save your settings. Use this new IP address to access the configuration utility of the router in the future. Close the browser and change your computer’s IP settings back to the original values as in Step 1.

6. Disconnect the Ethernet cable from the router and reconnect your computer to your network.

7. Connect an Ethernet cable in one of the LAN ports of the router and connect it to your other router. Do not plug anything into the Internet port of the D-Link router.

8. You may now use the other 3 LAN ports to connect other Ethernet devices and computers. To configure your wireless network, open a web browser and enter the IP address you assigned to the router. Refer to the Configuration and Wireless Security sections for more information on setting up your wireless network.

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