3Com 3C13701 Installation Manual

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3Com 3C13701 Installation Manual Manual pdf 65 page image

Application Software Upgrade 65ApplicationSoftware UpgradeFault 1:When upgrading the software using the TFTP approach, the system displays thefollowing message:Loading... tftpGet: Error occurred while transferring the file.An Error Occurred!:tftp transfer failed: error 0x43download error!!!Something is wrong. Please check.Troubleshooting:The symptom described above means that the new software version has not beenloaded. Fault isolation can be carried out from three aspects:■ Check the TFTP server to see whether information can be sent. If not, the problem islikely to result from an incorrectly-configured TFTP server IP address. In this case, makesure that IP address of the TFTP server is the IP address of the network interface on thePC, to which the Ethernet interface is connected. (For the procedure of selecting anEthernet interface for TFTP upgrade on 3Com 5000 Routers.Run the winipcfg command and the system will prompt the IP address of the Ethernetinterface.■ If Windows prompts “The system detected conflict between the IP address xxxx andthe system hardware address xxxx” in this case, it is very likely that the IP address ofthe TFTP server was incorrectly assigned to the upgrading Ethernet interface on theRouter.■ 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 theextension) of the application software set on the Router are correct.Upgrade the application software again after the problem is solved.Fault 2:When upgrading the software using the TFTP approach, and the system displays thefollowing message:Loading...NET download completed...read len = [05567609]The downloaded software is not a valid version.Please download the correct version.Press key when ready.Troubleshooting:3Com 5000 Routers should be loaded with different application software versions. Theproblem described above is likely to result from a mismatch between the applicationsoftware version and the router model. In this case, contact your agent to obtain thecorrect software version and upgrade it again.

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