3Com 4510G Configuration Manual page 977

The startup file used for the next startup must be saved under the root directory of the storage medium.
You can copy or move a file to the root directory of the storage medium. For the details of the
boot-loader command, refer to Device Management Commands in the System Volume.
IRF System Upgrade
Network requirements
As shown in
addresses are 1.2.1.1/16 and 1.1.1.1/16 respectively. An available route exists between Device
and PC.
Device downloads a startup file from PC for upgrading and uploads a configuration file named
config.cfg to PC for backup.
Figure 13-3 Smooth upgrading using the TFTP client function
Configuration procedure
1) Configure PC (TFTP Server), the configuration procedure is omitted.
On the PC, enable the TFTP server
Configure a TFTP working directory
2) Configure Device (TFTP Client)
If the available memory space of the device is not enough, use the fixdisk command to clear the
memory or use the delete /unreserved file-url command to delete the files not in use and then perform
the following operations.
# Enter system view.
<Sysname> system-view
# Download application file newest.bin from PC to Device.
Figure 13-3, use a PC as the TFTP server and Device as the TFTP client. Their IP
13-5