CCNA Cisco Certified Network Associate Study Guide - FTP Server

206 Chapter 4 � Configuration and IOS Management Commands
You can manually save the file from DRAM to NVRAM by using the
copy running-config startup-config command. You can use the shortcut
copy run start also.
Router#copy run start
Destination filename [startup-config]?return
Warning: Attempting to overwrite an NVRAM configuration
previously written by a different version of the system
image.
Overwrite the previous NVRAM configuration?[confirm]return
Building configuration...
Notice that the message stated we were trying to write over the older
startup-config. The IOS had been just upgraded to version 12.8, and the last
time the file was saved, 11.3 was running.
You can view the files by typing the command show running-config or
show startup-config from privileged mode. The sh run command, which
is the shortcut for show running-config, tells us that we are viewing the
current configuration.
Router#sh run
Building configuration...
Current configuration:
!
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Router
ip subnet-zero
frame-relay switching
!
[cut]
The sh start command, which is the shortcut for the show startupconfig
command, shows us the configuration that will be used the next time