RouterC#copy running-config tftp [copy run tftp]
it copies the ios FLASH to TFTP SERVER
flash, NVRAM, TFTP server
to TFTP
config tftp run
To save the current running configuration you can use the "copy run start" command. Any configurations that are made on a router will not be saved until you use this command and it will save the current running configuration to the local NVRAM. This configuration will then be used on next startup. To back up we can save the configuration to a remote TFTP server with use of the "copy run tftp" command. Always have a back up plan.
This command will copy the running configuration (located in RAM) of a Cisco device to a TFTP server. After executing the command you will be prompted for further information about the TFTP server (Server Address, file name, etc.).
What is the purpose of using the copy tftp flash command on a router? to back up the current IOS image to a server to restore the IOS image from a server to back up the router configuration to a server to restore the router configuration from flash
NVRAM, TFTP,Console
This command will allow you to copy a configuration from a TFTP server to the running configuration of a Cisco device. When you issue the command you will be prompted for further details about the TFTP server. The new configuration will replace the active one (or running configuration) and make any necessary changes.
NVRAM
wr or copy running-config startup config