Setting a Static IP on Your Computer

While it is not strictly required, you may feel safer giving your computer a static IP Address rather than using the IP Address assigned to it by a DHCP Server such as a router.

Many routers have been flashed without doing this and no problems have occured but the procedure will be outlined here for completeness.

Following this procedure will ensure that the computer always has a valid IP Address while the router is being flashed.

Setting the Computer to a Static IP

In Windows 7 do the following.

Control Panel -> Network and Sharing Center.

Click on Change adapter settings in the upper left corner.

Right click on Local Area Connection and choose Properties.

Click on Internet Protocol Version 4 (TCP/IPv4) and then click on Properties.

Select Use the Following IP Address.

Enter 192.168.1.100 in the IP address: box.

Click on the Subnet Mask: box and it will automatically fill it in.

Enter 8.8.8.8 in the Preferred DNS Server: box

Click on OK and then on Close.

In Windows XP do the following.

Control Panel -> Network Connections

Right click on Local Area Connection and choose Properties.

Click on Internet Protocol (TCP/IP) and then click on Properties.

Select Use the Following IP Address.

Enter 192.168.1.100 in the IP address: box.

Click on the Subnet Mask: box and it will automatically fill it in.

Enter 8.8.8.8 in the Preferred DNS Server: box

Click on OK and OK.

Restoring the Computer to and Automatic IP

To restore the computer so it obtains its IP Address from the DHCP Server on the router automatically follow this procedure. This may be necessary in many cases so the computer can gain Internet access after flashing the router.

In Windows 7 do the following.

Control Panel -> Network and Sharing Center.

Click on Change adapter settings in the upper left corner.

Right click on Local Area Connection and choose Properties.

Click on Internet Protocol Version 4 (TCP/IPv4) and then click on Properties.

Select Obtain an IP Address Automatically.

Click on OK and then on Close.

In Windows XP do the following.

Control Panel -> Network Connections

Right click on Local Area Connection and choose Properties.

Click on Internet Protocol (TCP/IP) and then click on Properties.

Select Obtain an IP Address Automatically.

Click on OK and then on OK.