Accidental deletion of Flash, using Xmodem to the cisco3550 switch installation system

Using SECURECRT

1. Connect the switch console port and the computer serial 1 (depending on the Device manager) with the control line, and connect with the SECURECRT software with Xmodem function;

2. Set the connection mode for serial port 1 (if the other serial port is connected to choose another serial port), rate 9600, no calibration, no flow control, stop bit 1 (or restore the default settings)

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3. Connect the device, SECURECRT Enter the switch does not have the iOS interface, the prompt is: switch:

4. Restart the switch, while pressing the mode key, the prompt: Switch: After entering Flash_init Enter, then enter Load_helper carriage return, and then enter the copy xmodem: space Flash:xxxx.bin (iOS file name) Enter--- < It is possible to enter the car at a time of unsuccessful, more than two times good > for example:

Switch:copy Xmodem:flash:c3550-i5q312-mz.121-12c.ea1.bin

Click SecureCRT Menu: Transfer-Send file, select the Xmodem or 1KXmodem protocol in the Protocol option, then select the iOS image file (*.bin) and start the transfer of (time approximately 60 minutes)

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After the transmission is completed, enter boot Enter, the switch starts to boot the file automatically;

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Accidental deletion of Flash, using Xmodem to the cisco3550 switch installation system