3com 3C16894 4-slot Chassis 用户手册
62
C
HAPTER
4: M
AINTAINING
S
OFTWARE
Figure 42 Send File dialog box
11 Change the protocol name for the download to Xmodem.
12 Click Send. The dialog box shown in Figure 43 displays.
Figure 43 Xmodem File Send Dialog Box
13 After the download is complete, the system interface is shown, as follows:
Loading ...CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC done!
14 Select
0
to return to the Boot Menu.
15 From the boot menu, select option
2
then select the newly downloaded file.
Upgrading Software
Using TFTP
TFTP (Trivial File Transfer Protocol) is a simple file transfer protocol that is used
without complex interaction between clients and servers.
without complex interaction between clients and servers.
The client initiates a TFTP transmission. To download files, the client sends a read
request packet to the TFTP server, receives the packet from the server, and sends
the acknowledgement to the server. To upload files, the client sends a write
request packet to the TFTP server, sends the data packet to the server, and receives
the acknowledgement from the server.
request packet to the TFTP server, receives the packet from the server, and sends
the acknowledgement to the server. To upload files, the client sends a write
request packet to the TFTP server, sends the data packet to the server, and receives
the acknowledgement from the server.
The Switch 7750 provides the functions of the TFTP client.