Managing System System Tools Configurations
Configuration Guide  
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Step 5 end
Return to privileged EXEC mode. 
Step 6 copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to set the next startup image as image1, the 
backup image as image2, the next startup configuration file as config1 and the backup 
configuration file as config2.
Switch#configure
Switch(config)#boot application filename image1 startup
Switch(config)#boot application filename image2 backup
Switch(config)#boot config filename config1 startup
Switch(config)#boot config filename config2 backup
Switch(config)#show boot
Boot config:
    Current Startup Image        - image2.bin
    Next Startup Image           - image1.bin
    Backup Image                 - image2.bin
    Current Startup Config       - config2.cfg
    Next Startup Config          - config1.cfg
    Backup Config                - config2.cfg
Switch(config)#end
Switch#copy running-config startup-config
4.2.2  Restoring the Configuration of the Switch
Follow these steps to restore the configuration of the switch:
Step 1 enable
Enter privileged mode.
Step 2 copy tftp startup-config ip-address 
ip-addr
 filename 
name
Download the configuration file to the switch from TFTP server.
ip-addr
: Specify the IP address of the TFTP server. Both IPv4 and IPv6 addresses are 
supported.
name
: Specify the name of the configuration file to be downloaded.