Repair method of firewall system crash and file loss, material cost 0 yuan

20 It happened many days ago , I didn't write this article until today , It's to make sure that I have solved the problem , So as not to mislead everyone .

At that time, a customer H3C Only the power light of the firewall is on , Other lights are not on , Unable to access the Internet , Power off restart is invalid .

It is preliminarily judged as a hardware problem , According to the customer , I bought it for more than a year ,H3C Is your firewall really so fragile ？

The whole company is disconnected , The customer must be in a hurry , Arrange technicians to bring our Huawei firewall for practice , First for the customer , Put the customer's H3C Take the firewall back to the company for processing .

After power on , The power light is always on , normal ,SYS The light keeps flashing , Obviously, the system does not start normally .

Plug in console Line , I find the picture stays BOOTWARE MENU……

Press 1, Start the system , No response , Or go back BOOTWARE MENU Interface , Read the tips carefully , It even prompts that the system file does not exist .

Press 4, Enter the file menu ,dir, I went to , Sure enough, there are no system files , No wonder the system doesn't work .

Hurry to the official website to download the corresponding system firmware , Set up a computer TFTP Server, network card IP by 0 paragraph , The network cable is connected to H3C The management mouth of （0 mouth ）.

Press 3, Enter the network card configuration submenu ; Press again 5, Configure transmission parameters

Protocol (FTP or TFTP) : TFTP（ I took TFTP The server , So the input TFTP, enter ）

Load File Name :host main.ipe（ The downloaded file name is relatively long , I changed it to main.ipe, enter ）

Target File Name :target main.ipe （ Destination filename , Or input main.ipe, Return again ）

Server IP Address :192.168.0.10 （ Enter the IP：192.168.0.10, And then go back ）

Local IP Address :192.168.0.1 （H3C Firewall IP：192.168.0.1, Enter again ）

Subnet Mask : 255.255.255.0（ Input mask 255.255.255.0, And then go back ）

Gateway IP Address :0.0.0.0 （ Don't fill in , Directly enter ）

Return to the network card configuration submenu , Then press 2, Download the main program from the computer , When the download is complete , It will be automatically decompressed as bin file , After decompression ,H3C The firewall restarts automatically ;

Look at the state , It should be OK , The network card light is also on normally ,web Log in to the firewall , The familiar interface is back , Quickly made a simple configuration , I can surf the Internet , Save reboot ,web Unable to login , Look again console Interface , ha-ha , System files are missing again , It's not that the configuration is missing , It's the system file just swiped in , It's gone again .

It's just , Is it flash broken ？ hold ipa Copy files to USB drive , Expect to be able to boot from the USB drive , It turns out that the USB flash drive cannot be recognized ; See there are SATA Interface , So copy the system files to a 32G Solid state drive , Expect to boot from hard disk , The result is the same , Solid state drives are not recognized at all .

No way out , Brush the system again , After successful login , Import the customer's configuration file directly , Prompt import failure , But I think the configuration is clearly in , Save and restart again , The system files disappeared again without suspense .

What should I do , No way out , Take down the machine and have a look , This thing is highly integrated , It's nothing to look at , It's just not giving up .

Sure enough , In addition to the transformer is the motherboard , Even if you can see the main board failure , Where did the parts come from for maintenance ？ It's all dismantled , Take a look , Two capacitors were found to be bulging and leaking , So it's easy to find , Finally, the unknown motherboard owner found two , change , Turn it on , Brush in the firmware again ,N Reboots , No problem found .

Import the customer's Profile , Prompt import successful , Arrange technicians to move the customer back to the shelves , It took a week without problems , Billing .

Until today, , Never disconnected again , There should be no problem , I hereby write , Share with you .