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Application Software Upgrade 53
The user can decide whether the SDRAM has fault by checking the LED
status of the router. During the router’s POST, the SLOT1 to 3 LEDs and
SERIAL0 LED will be ON first. In this case, if the SLOT1 and SLOT2 LEDs
light, it can be concluded that the SDRAM test has failed.
If the SDRAM is damaged, replace it with a new one (before opening the
chassis, please contact the agent of 3Com Corporation Co, Ltd. and get
his permission to continue with the operation). For the operation
method, please refer to Section 6.2 “Maintain the Hardware” in this
manual.
Application
Software Upgrade
Fault 1: When upgrading the software using the TFTP approach, the
system displays the following message:
Loading... tftpGet: Error occurred while transferring the
file.
An Error Occurred!:tftp transfer failed: error 0x43
download error!!!
Something is wrong. Please check.
Troubleshooting: The symptom described above means that the new
software version has not been loaded. Fault isolation can be carried out
from three aspects:
■ Check the TFTP server to see whether information can be sent. If not,
the problem is likely to result from an incorrectly-configured TFTP
server IP address. In this case, make sure that IP address of the TFTP
server is the IP address of the network interface on the PC, to which
the Ethernet interface is connected. (For the procedure of selecting an
Ethernet interface for TFTP upgrade on the Router 5000.
Run the winipcfg command and the system will prompt the IP address of
the Ethernet interface.
■ If Windows prompts “The system detected conflict between the IP
address xxxx and the system hardware address xxxx” in this case, it is
very likely that the IP address of the TFTP server was incorrectly
assigned to the upgrading Ethernet interface on the Router.
■ Check the TFTP server. If it prompts “The system cannot find the
specified file”, , check whether the path set on the TFTP server and the
file name (including the extension) of the application software set on
the Router are correct.