After issuing this command with specified source and destination URLs, the user will be prompted for IP address of the remote host, source file name, and destination file name. Solution The copy tftp command allows you to use TFTP to download a. Copy the IOS image file from the TFTP server to the router using the copy command shown in Figure 4. Loading a New IOS Image Problem You want to upgrade the IOS image that your router uses. Free flash space in the example is 182,394,880 bytes. download the specified image from Router1 to Router2 using the copy tftp. The show flash0: command in Figure 3 is used to verify free flash size. Router1 is the TFTP server and Router2 is the router on which the Cisco IOS. Compare the free flash space with the new image file size. The amount of free flash can be verified using the show flash0: command. Ensure that there is sufficient flash space on the router that is being upgraded. The output in Figure 2 shows the TFTP server is accessible from the router. I found and set it up this way: Find appropriate commands. Download the file from and transfer it to the TFTP server. Mac OS X has a tftp server included, and you just have to start it and do a little configuration. Select a Cisco IOS image file that meets the requirements in terms of platform, features, and software. A new image file (3.bin) will be copied from the TFTP server at 2001:DB8:CAFE:100::99 to the router.įollow these steps to upgrade the software on the Cisco router: This example uses IPv6 for the transfer to show that TFTP can also be used across IPv6 networks.įigure 1 illustrates copying a Cisco IOS software image from a TFTP server. Cisco consistently releases new Cisco IOS software versions to resolve caveats and provide new features.
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