H3C MSR 20-20 Installation Manual

Also see for MSR 20-20: Command reference User manual User manual Supplementary guide Installation manual

H3C MSR 20-20 Installation Manual Manual pdf 62 page image

62 CHAPTER 5: S OFTWARE MAINTENANCEBootROM Password Loss Contact the agent or our technical support personnel in the event of BootROMpassword loss. They can help you set a new passwordModify the BootROM password under the main BootROM menu.Enter <5> to modify the password following the prompt. The console terminaldisplays:Change password.Old password: Enter the old passwordNew password: Enter the new passwordVerify: Enter the new password again........Password Set Successfully. The new password is set successfullyn The password modification fails when old password is not correct or newpassword is not correctly entered, and then the system exits this operation.Super Password Loss The Super Password enables you to switch among the four Super levels. In theevent of Super Password loss, you cannot perform the operations requiring higherright.Enter <8> under the main BootROM menu to clear the Super Password.Select this option, quit the menu and reboot the router. You can directly enter thesystem view. Only after the first rebooting will the setting take effect (the SuperPassword restores after the second rebooting).Backing up andRestoring BootROMEnter <7> under the main BootROM menu to enter the BootROM operationsubmenu. Refer to “BootROM operation submenu” on page 47 for details.Enter <1> under the menu, and the system starts to backup the entire BootROM.The system prompts:Backing BootRom....Updating the backup Basic BootRom.......Backing Basic BootRom Success!Updating Back Extended BootRom..........Backing Extend BootRom Success!Now, the entire BootROM is backed up to the memory.Enter <2> under the menu to restore the BootROM in the memory to the system:Restore Basic BootRomUpdating the Norm Basic BootRom..............Restore Basic Bootrom Success!Restore Extend BootRomUpdating Extended BootRom..............Restore Extend Bootrom Success!