5-12Step6 Select Transfer > Send File in the terminal window. Click Browse in the pop-up dialog box (shown asthe following figure), select the desired application, and change the protocol used for downloading toXModem.Figure 5-10 Send File dialog boxStep7 Click Send and the following interface pops up.Figure 5-11 Sending file pageStep8 After downloading the program successfully, the system will access the serial interface submenu again,and the user can make selection as needed. The details will not be covered here.Updating software through management Ethernet port (TFTP)z Introduction to TFTPTrivial file transfer protocol (TFTP) is well suited to the file transfer between a server and a client that donot need complex interaction.In TFTP, the transmission is initiated by the client. When downloading a file, the client sends a readrequest packet to the TFTP server, receives the data packets from the server, and sends the ACK to theserver. When uploading a file, the client sends a write request packet to the TFTP server, then sendsthe data packets to the server, and receives the ACK from the server. The TFTP transmission files havetwo forms, i.e., binary for program transmission and ASCII for text transmission.Following is the updating procedure described taking the switch working as a TFTP Client as anexample.
