Specifications
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Cisco 12000 Series Internet Router Configuration Guide for Cisco IOS Release 12.0S
Chapter 2 Basic Configuration of the Cisco 12000 Series Internet Router
Upgrading and Backing Up Cisco IOS Software Images and Configuration Files
Saving a Configuration File
It is a good practice to save your configuration file, in case you need to restore it for any reason. You
should save your configuration file before you make major changes to the configuration. You have two
configuration files: the startup configuration file located in NVRAM and the running configuration file
located in DRAM. These will generally be the same, unless you are in the process of changing the
configuration.
To save your startup configuration file, use one of the following commands, depending on where you
want to save the file:
To save your running configuration file, use one of the following commands, depending on where you
want to save the file:
Command Purpose
Router# copy startup-config slot0:
filename
Copies the configuration file located in NVRAM (the system default) to the
PCMCIA Flash memory card in slot 0.
Router# copy startup-config slot1:
filename
Copies the configuration file located in NVRAM (the system default) to the
PCMCIA Flash memory card in slot 1.
Router# copy startup-config disk0:
filename
Copies the configuration file located in NVRAM (the system default) to the
PCMCIA Flash memory disk in slot 0.
Router# copy startup-config disk1:
filename
Copies the configuration file located in NVRAM (the system default) to the
PCMCIA Flash memory disk in slot 1.
Router# copy startup-config tftp:
Copies the configuration file located in NVRAM (the system default) to a
TFTP server on the network. You will be prompted to provide the address of
the TFTP server and the file name.
Command Purpose
Router# copy running-config slot0:
filename
Copies the configuration file located in DRAM (the system default) to the
PCMCIA Flash memory card in slot 0.
Router# copy running-config slot1:
filename
Copies the configuration file located in DRAM (the system default) to the
PCMCIA Flash memory card in slot 1.
Router# copy running-config disk0:
filename
Copies the configuration file located in DRAM (the system default) to the
PCMCIA Flash memory disk in slot 0.
Router# copy running-config disk1:
filename
Copies the configuration file located in DRAM (the system default) to the
PCMCIA Flash memory disk in slot 1.
Router# copy running-config tftp:
Copies the configuration file located in DRAM (the system default) to a TFTP
server on the network. You will be prompted to provide the address of the
TFTP server and the file name.