... softwareon your router. Before you upgrade the IOS on your router, you should first back up theexisting image to a TFTP server. There are two reasons that you might want to do this.First, your flash ... copyflash tftp command; however, the process that takes place after you enter your information is different.After your enter your information, the IOS first verifies that the image exists onthe TFTP ... and you want to boot up your router and load in another IOSimage. This stripped-down IOS is referred to as RXBOOT mode. If you see“Router(rxboot)#” in your prompt, then your router has booted...