TFTP is used to load different images on the security devices. You may be able to install or upgrade IOS, PIX, and Firewall Services Module (FWSM) images from these servers. A very popular and free TFTP server can be downloaded from the following location: http://www.solarwinds.net/Tools/Free_tools/TFTP_Server/ It is important to have the TFTP server loaded and ready, because it may be needed at any time. |