Quidway AR 28 Series Routers Installation Manual.pdf - Index of

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Installation ManualQuidway AR 28 Series RoutersChapter 7 TroubleshootingThe user can decide whether the SDRAM has fault by checking the LED status of therouter. During the router’s POST, the SLOT0 to 2 LEDs and SERIAL0 LED will be ONfirst. In this case, if the SLOT0 and SLOT1 LEDs light, it can be concluded that theSDRAM test has failed.If the SDRAM is damaged, replace it with a new one (before opening the chassis,please contact the agent of Huawei Technologies Co, Ltd. and get his permission tocontinue with the operation). For the operation method, please refer to Section 6.2“Maintain the Hardware” in this manual.7.4 Application Software UpgradeI. Fault 11) FaultWhen upgrading the VRP 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.2) TroubleshootingThe 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 problemis likely to result from an incorrectly-configured TFTP server IP address. In thiscase, make sure that IP address of the TFTP server is the IP address of thenetwork interface on the PC, to which the Ethernet interface is connected. (For theprocedure of selecting an Ethernet interface for TFTP upgrade on AR 28 Routers,refer to 6.1.4.)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 xxxxand the system hardware address xxxx” in this case, it is very likely that the IPaddress of the TFTP server was incorrectly assigned to the upgrading Ethernetinterface 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 theextension) of the application software set on the Router are correct.Upgrade the application software again after the problem is solved.7-3
Installation ManualQuidway AR 28 Series RoutersChapter 7 TroubleshootingII. Fault 21) FaultWhen upgrading the VRP software using the TFTP approach, and the system displaysthe following 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.2) TroubleshootingAR 28 Series Routers should be loaded with different application software versions.The problem described above is likely to result from a mismatch between theapplication software version and the router model. In this case, contact your agent toobtain the correct software version and upgrade it again.If the improper software has been loaded, the Router cannot start or work correctly. Inthis case, select Xmodem or TFTP mode in the boot menu to restore/upgrade thesoftware version (FTP upgrade mode cannot be used here).If similar symptoms present when upgrading the software with other approaches, solvethe problem with reference to this example. Note:The bar code labeled on the Router host and the MIM contains the relevant manufacturing andmaintenance information. If you want to repair the device, inform your agent of the bar code on theproblem device.7-4
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