Cisco路由交换设备之：IOS故障排除 - Net_com.docVIP

Cisco路由交换设备之：IOS故障排除 - Net130_com Cisco route switching device: IOS troubleshooting - N bbs- user name password title author The first page of the news Cisco product Cisco technology Cisco certified network knowledge Oracle electronic books concerning the altar technology project software test related software online experiments Cisco technology , Cisco routing equipment: IOS troubleshooting date: 2006-4-22 views: 2294 IOS is the core of the router switch device, which is called the Internet service System, Chinese is the meaning of network operating system. Hes like a computer operating system, Windows, which is software but cant run any software. So if there is a problem with IOS, the routing switch will not work and the configuration commands will be wiped out. We can only solve it by reinstalling IOS. This article will take cisco 3550 as an example of the recovery method for IOS: Step 1: connect line switch console port and the computer serial port 1, in connection with the function of xmodem terminal software (Microsoft operating system with super terminal software). Step 2: set the connection mode of serial port 1 (if the connection is other choice of the other serial port serial port), the rate of 9600, no check, no flow control, 1 stop bit, of course, just click restore to the default value. Step 3: after the connection, the computer will enter the switch without ios, and the usual prompt is switch: Step 4: remove the power line from the switch. Press the mode key on the left side of the switch panel (the general switch is this one), plug the power plug in the back of the switch and add power to the switch. Wait until you see that there is no connection on the switch panel and there are several system lights on the switch. Step 5: input at the super terminal: Switch: flash_init Heres a hint: Initializing Flash... Flashfs [0] : 1 files, 1 directories Flashfs [0] : 0 orphaned files, 0 orphaned directories Flashfs [0] : Total bytes: 3612672 Flashfs [0] :