3Com Switch 7700 Installation Manual

Also see for Switch 7700: Installation guide Datasheet Configuration guide Configuration guide Configuration guide

Contents

S O F T W A R E M A I N T E N A N C EFigure 28 Xmodem file send dialog box14. After the download is complete, the system interface is shown as follows:Loading ...CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC done!7.3. Upgrading Software Using Ethernet7.3.1. Upgrading Software Using TFTPTFTP (Trivial File Transfer Protocol) is simple file transfer protocol that is used without complex interactionbetween clients and servers.TFTP is normally implemented based on UDP.The client initiates a TFTP transmission. To download files, the client sends a read request packet to the TFTPserver, receives the packet from the server, and sends the acknowledgement to the server. To upload files, the clientsends a write request packet to the TFTP server, sends the data packet to the server, and receives theacknowledgement from the server. There are two modes of TFTP transmission files: the binary mode used fortransmitting program files and ASCII mode used for transmitting text files.Switch 7700 provides the functions of the TFTP client.Note: The Switch 7700 is not shipped with the TFTP Server program.To upgrade using TFTP:1. Connect the switch to the PC from which the file is downloaded, using the 10BASE-T/100BASE-TXport on the Fabric for upgrading. The IP address of the PC is required. At the same time, the switch isexternally connected to a PC (which can be the same PC as that the downloaded file is located) using aconsole port.48