Sweex LW150 Router Manual PDF (Setup & Configuration Guide)

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necessary for the device’s IP address to remain constant. One possible solution is to configure a static IP address in the

device itself but this can cause problems when you also use the device on other networks. Another solution is to instruct

the router to always assign the same IP address to the device. This is called static DHCP or DHCP address reservation.

To setup static DHCP for a device, log in to the router as described in the “Advanced setup” chapter and click “DHCP

Server” – “DHCP List & Binding” in the menu on the left. You will see the following screen:

To configure a device for a static DHCP address, fill out the desired address and the device’s corresponding MAC address

in the Static IP section, then click the “Add” button and “Apply”. Look at the list to see the IP and MAC addresses of all

automatically configured devices currently active on your network.

Note:

Do not assign static DHCP addresses in the range 19±.1³µ.15.100 to 19±.1³µ.15.±00! This range is already

used for dynamically assigned addresses. The addresses 19±.1³µ.15.1 (the router itself) and 19±.1³µ.15.±55

(broadcast address) may also not be used.

Port forwarding (virtual server) and DMZ setup

For certain applications, devices and servers, it may be necessary so setup port forwarding for them to operate properly

behind the router’s firewall. This is because by default, the firewall blocks all incoming connections and allows only

outgoing connections. For technical reasons the built-in firewall is inherent to the routing function and cannot be disabled

completely.

Port forwarding instructs the router to accept an incoming connection on a certain port and forward it to the IP address of

a device in your local network. Please note that use of the term port in this chapter refers to TCP or UDP ports and is not

related to the physical WAN and LAN ports at the back of the router.

DMZ is a special case of port forwarding where the router is instructed to forward all incoming connections to the

specified address.

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To setup port forwarding, login to the router as described in the “Advanced setup” chapter and click “Virtual Server”

– “Port Range Forwarding” in the menu on the left. You will see the following screen:

To forward a single port, enter the desired port number twice in the first empty rule, enter the IP address that the port

should be forwarded to and select the desired protocol, check the “Enable” checkbox and click the “Apply” button. To

forward multiple adjacent ports at once, just enter the first port in the “Start Port” field and the last port in the “End

Port field”.

It is not possible to forward more than 10 port ranges.

For a DMZ, click “DMZ” in the menu on the left, enter the IP address of the device, check the “Enable” checkbox and

click the “Apply” button.

Troubleshooting

This chapter of the manual will explain a number of common issues that you may run into and possible solutions.

•

The CD Wizard cannot connect to the router and I cannot access the router at

http://192.168.15.1/. Windows indicates that I have a working network connection.

> This issue may arise from incorrect IP settings on your computer. You can check and adjust your settings as follows:

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Windows Vista

1. Click the start button at the bottom right of your screen and click “Control Panel”

±. In the Control Panel, click “View network status and tasks”. If your Control Panel is in classic view, open the

“Network and Sharing Center” icon:

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². The Network and Sharing Center window should now open.

In the Network and Sharing Center, click “Manage network connections” in the bar on the left side:

4. Right click the first connected LAN or High-Speed Internet Connection, in this example the “Local Area Connection”,

and click “Properties” from the context menu. If you have multiple connected connections, repeat steps 4 to ´ for

each connection:

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5. The connection’s property window appears. In this windows, select the “Internet Protocol Version 4” from the list of

items and click the “Properties” Button:

³. The Internet Protocol Version 4’s property window appears. In this window, ensure that both settings are set to

“Obtain automatically”:

´. Confirm the settings by clicking “OK”. The network settings for Vista are now properly configured for your router.

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