HOW TO Setup TFTP Server on Linux to Transfer IOS

To backup a Cisco IOS or to do the Remote Red Hat Linux install, you need a TFTP server.

1. The first step on the Linux computer is to create the file using the command example, touch 2514-config
2. Change the permissions, chmod 777 2514-config
3. The tftp server directory is off root in /tftpboot
4. The files will be sent there

To back up the Cisco IOS, type the command
copy flash tftp
* Not completely sure why it was necessary to create the fake file in the /tftpboot directory first. There doesn't seem to be an issue in Windows when you just navigate to the directory you want to be in.  TFTP runs from the command window in Windows 7.

To back up the configuration, type the command
copy run tftp

To upgrade a newer copy of an IOS to the router, use the command
show flash
(make sure you have enough memory first. Otherwise you will be prompted to erase the flash. Eeeeeeeeerase!)
copy tftp flash
Follow the prompts for the IP address of the TFTP server.

If you have created a configuration file on an external editor, you can load or copy this running configuration into the router.
copy tftp running-configuration

Very easy. Once the file is loaded, be sure to save it by copying the running-configuration to the startup-config in NVRAM
copy run start

I'm not sure what would be the point of issuing a command to erase startup config other than to cause trouble, so use this command with caution if ever invoked, especially followed by a reload command.
erase startup-config





Cisco CCNA Exam and ICND Study Notes
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