华为AR系列路由器如何格式化FLASH? H3C AR 18-22-24_路由器常见问题_技术支持

答案：

AR18/AR28在系统启动时按ctrl＋B进入bootrom menu后，按ctrl＋F即可格式化flash，当然会有一个Y/N的提示，避免误操作；AR46则不同，系统启动时，按ctrl＋B进入main-bootrom menu后，需要按ctrl＋Z进入隐含子菜单，具体操作如下：

=====================<MAIN-BOOTROM MENU>=====================

| <1> Boot With Default Mode |

| <2> Boot From Flash |

| <3> Enter Serial SubMenu |

| <4> Enter Ethernet SubMenu |

| <5> Boot File Control |

| <6> Modify Bootrom Password |

| <7> Reset Console Authentication |

| <8> Ignore System Configuration |

| <9> Enter Debugging Environment |

| <a> Reboot |

=============================================================

======================<HIDDEN SUB-MENU>======================

| <1> Flash Operateion |

| <2> Delete File From Flash |

| <3> Disable Config Password |

| <4> Upgrade Small BootRom |

| <5> Upgrade South-Bridge Logic |

| <6> Exit To Main Menu |

=============================================================

Enter your choice(1-6): 1 --------------------按1进入flash操作菜单

======================<Flash Operation>======================

|Note: System will boot with only flash test with flash |

| test flag set,no VRP programme running any more, |

| choose <show flash test result> to see the result. |

|-----------------------------------------------------------|

| <1> Erease flash |

| <2> Set flash test flag |

| <3> Clean flash test flag |

| <4> Show flash test result |

| <5> Set flash test delay in hours |

| <6> Return to main hidden menu |

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Enter Your Choice(1-6):1 --------------------按1格式化FLASH