How to start with no flash IOS

I have a 2950 that's at the level of the switch: fast with no flash IOS.  When I try to copy an IOS image via tftp I get "tftp: access denied."

Is there another way I can copy the image in flash?

Hello

2950 switches in bootloader mode do not support networking. Your only option is the download of IOS using the console and HyperTerminal or TeraTerm - you need to support Xmodem or Xmodem - 1 k.

Follow these steps:

  1. In the bootloader on the switch prompt, enter the value BAUD 115200 and press ENTER. Be sure not to do typo here. As soon as you enter this command, your console will appear to freeze - at this point, reconfigure your terminal software to use 115 200 bit/s and press enter several times - the switch should start responding again.
  2. The IOS of replacement prepared on the PC, however, rename it to a simple file name, for example, c2950.bin.
  3. Enter the following command on the switch: copy xmodem:c2950.bin flash: c2950.bin and press ENTER. Once you do this, a series of characters 'C' will start appearing on the screen.
  4. By using the send a file or file transfer feature in your terminal software, select Xmodem - 1 k (preferably) or the Xmodem Protocol, and then locate the c2950.bin file and leave the Terminal send it to the switch.
  5. Take a coffee - download can last 15-30 minutes.
  6. Once the download is complete, enter the command unset BAUD in the switch and reconfigure your device back to 9 600 bit/s. The console will be insensitive in the meantime.
  7. Enter the command boot on the switch, it should start fine. After it starts in IOS, you can rename the IOS file in the FLASH back original name using the Rename privileged EXEC command.

Best regards
Peter

Tags: Cisco Network

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