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In a Cisco router or switch, the active
configuration is in RAM and the default location for the startup
configuration is NVRAM. In the event the configuration is lost, this
startup configuration should be backed up. One of these backup copies
of the configuration can be stored on a TFTP server. The
copy running-config tftp
command can be used to do this.
 The steps
for this process are listed below:
- Enter the command
copy running-config tftp.
- At the prompt, enter the IP address
of the TFTP server to store the configuration file.
- Enter the name to assign to the
configuration file or accept the default name.
- Confirm the choices by typing
yes
each time.
Loading the backup configuration file
from a TFTP server can restore the router configuration.
 The steps
below outline this process:
- Enter the command
copy tftp running-config.
- At the prompt, select a host or
network configuration file.
- At the system prompt, enter the IP
address of the TFTP server where the configuration file is located.
- At the system prompt, enter the name
of the configuration file or accept the default name.
- Confirm the configuration filename
and the server address that the system supplies.
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Lab Activity
Managing Configuration Files with TFTP
In this lab, the students will backup a copy of a router
configuration file and reload the backup configuration file from
a TFTP server into RAM on a router.
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Web Links