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Hardware Installation Guide for  Cisco 4000 Series Integrated Services Routers
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Chapter 4      Configure Initial Router Settings on Cisco 4000 Series ISRs
  Verify Network Connectivity
The following display shows sample output for the ping command when you ping the IP hostname 
donald: 
Router# ping donald 
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.7.27, timeout is 2 seconds:
!!!!!
Success rate is 100 percent, round-trip min/avg/max = 1/3/4 ms 
Save Your Device Configuration
This section describes how to avoid losing your configuration at the next system reload or power cycle 
by saving the running configuration to the startup configuration in NVRAM. The NVRAM provides 
256KB of storage on the router.
SUMMARY STEPS
1. enable
2. copy running-config startup-config 
DETAILED STEPS
Save Backup Copies of Configuration and System Image
To aid file recovery and minimize downtime in case of file corruption, we recommend that you save 
backup copies of the startup configuration file and the Cisco IOS-XE software system image file on a 
server. 
Command or Action Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode. Enter your password if 
prompted.
Step 2
copy running-config startup-config 
Example:
Router# copy running-config startup-config 
Saves the running configuration to the startup 
configuration.