If the Cisco IOS software you install is larger than 16MB, you must use an FTP or RCP server. Note: Most TFTP applications cannot transfer files larger than 16MB in size. Note: A number of TFTP or RCP applications are available from independent software vendors or as shareware from public sources on the World Wide Web. Most TFTP applications provide a set-up routine to assist in these configuration tasks. This is the directory in which the Cisco IOS Software images are stored. Once the application is installed, a minimal level of configuration must be performed, use these steps:Ĭonfigure the TFTP application to operate as a TFTP server as opposed to a TFTP client. These Cisco series routers are addressed in this article:Ĭisco 7000 Series Routers with RP & RSP7000Ĭisco 10000 Series Internet Routers (ESR)Ĭisco uBR71xx, uBR 72xx, uBR10000 Series RoutersĪ Trivial File Transfer Protocol (TFTP) server, a Remote Copy Protocol (RCP) server, or a File Transfer Protocol Server (FTP) application must be installed on a TCP/IP-ready workstation or PC.

Note: To use the troubleshooting tools described in this document, you must be a registered user and you must be logged in. The Cisco IOS software filenames can vary based upon the type of product used. The examples provided in this document are based on the 7500 router, but the procedure is applicable to other routers. This document discusses the procedure for upgrading your Cisco IOS software image on Cisco High-End routers. Conventionsįor more information on document conventions, see the Cisco Technical Tips Conventions. If your network is live, ensure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. The information in this document is based on Cisco IOS Software Release 12.1 or later. See the Background Information section for specifics on these topics. How to install Cisco IOS Software image.Prerequisites RequirementsĬisco recommends that you have knowledge of these topics: This document describes how to upgrade your Cisco IOS ® software image on Cisco High-End routers.

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