In order to fresh install then erase the contents of flash memory by using the (erase flash) command.

Now in order to upgrade the IOS in the Cisco router from a solar-winds TFTP server, put the desired cisco IOS in the root folder of the TFTP server.

Start the SolarWinds TFTP server and also verify the root directory.

Now run the solar-winds by clicking on start ->programs ->programs ->configure.

How to install Solarwinds Trivial File Transfer Protocol (TFTP) Server.Now configure the TCP/IP setting of the computer and make sure both are in same network.Configure the IP addresses on the interface of the route and make sure both Server and route are in the same network in this example both fall in 192.168.1.0/24 network, now configure the interface fa0/0 of the router.Make sure the solar winds TFTP server is running on the same network as the interface of the router to which it is connected, in this example fa0/0 of the router is connected with the solar-winds.Once the sola-winds TFTP has been installed following steps should be followed to back-up Cisco IOS for router and switches. The solar-winds TFTP can be used to back-up the configuration files for appliances like routers, switches, IP Phones, and other devices. There are a variety of freely TFTP servers available the main benefit of using solar-winds TFTP is that it is really easy to set up and some sort of security can be applied like allow certain IP addresses to access the server. It can also be used to run as a service to provide 24/7 TFTP server availability to your network. The solar-winds TFTP server is multi-threaded that allows the user to concurrently upload and downloads the files even from the different networks. So in the case route crashed the IOS can be restored from the server, the TFTP SolarWinds run on the UDP port 69. This utility allows the network-administrators to upgrade the IOS images, not only that it can also be used to keep the back-up of the configuration files.

Download using solarwinds tftp server