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Backing Up and Restoring the Cisco Configuration
Any changes that you make to the router configuration are stored in the running-config file. And
if you don’t enter a copy run start command after you make a change to running-config, that
change will go poof if the router reboots or gets powered down. So you probably want to make
another backup of the configuration information just in case the router or switch completely dies
on you. Even if your machine is healthy and happy, it’s good to have a copy for reference and
documentation reasons.
Backing Up the Cisco Router Configuration
To copy the router’s configuration from a router to a TFTP server, you can use either the copy
running-config tftp or the copy startup-config tftp command. Either one will back up the
router configuration that’s currently running in DRAM or that’s stored in NVRAM.
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