H3C Technologies H3C S9500 Series Switches - Manual (Page 126)

Installation Manual
H3C S9500 Series Routing Switches
Chapter 6 Switch Monitoring and Maintenance
6-17
Step 8: After downloading the program successfully, the system begins to write the data
into the Flash. The downloading operation will end upon a successful write operation.
Then, the system will access the serial interface submenu again, and the user can
make selection as needed. The details will not be covered here.
XMODEM downloading ...CCC download successfully!
flash:/ 9500.app already exist,
delete it?(Y/N):y
Deleting file--------------------------------------------------------
----------------------------------------------------------------Done
Free flash Space : 15862784 bytes
Writing flash-------------------------------------------------------
-------------------------------------------------------Done
SERIAL SUBMENU
1. Download file to SDRAM through serial interface and boot
2. Download file to Flash through serial interface
3. Download file to HardDisk through serial interface
4. Modify serial interface boot parameter
0. Return to main menu
Enter your choice(0-4):
III. Upgrading software through management Ethernet port (TFTP)
1) Introduction to TFTP
Trivial file transfer protocol (TFTP) is well suited to the file transfer between a server
and a client that do not need complex interaction.
In TFTP, the transmission is initiated by the client. When downloading a file, the client
sends a read request packet to the TFTP server, receives the data packets from the
server, and sends the ACK to the server. When uploading a file, the client sends a write
request packet to the TFTP server, then sends the data packets to the server, and
receives the ACK from the server. The TFTP transmission files have two forms, i.e.,
binary for program transmission and ASCII for text transmission.
Following is the upgrading procedure described taking the S9512 working as a TFTP
Client as an example.
2) TFTP upgrade procedure
Step 1: Connect the Switch to a PC where the desired file is located via the
management/upgrade Ethernet port. (In this case, you should know the IP address of
the PC. At the same time, connect the Switch to an external PC (that can be the same
one that contains the desired file) via the Console port.
Step 2: Run the TFTP Server program on the PC connected to the
management/upgrade Ethernet port, and specify the path for upgrading the application
files.