Specifications

Upgrading the Cisco IOS Software
How to Upgrade the Cisco IOS Image
22
Cisco 3900 Series, 2900 Series, and 1900 Series Integrated Services Routers Software
DETAILED STEPS
Examples
Copying the Startup Configuration to a TFTP Server: Example
The following example shows the startup configuration being copied to a TFTP server:
Router# copy nvram:startup-config tftp:
Remote host[]? 172.16.101.101
Name of configuration file to write [rtr2-confg]? <cr>
Write file rtr2-confg on host 172.16.101.101?[confirm] <cr>
![OK]
Copying from Flash Memory to a TFTP Server: Example
The following example uses the dir flash0: privileged EXEC command to obtain the name of the system
image file and the copy flash0: tftp: privileged EXEC command to copy the system image to a TFTP
server. The router uses the default username and password.
Router# dir flash0:
System flash directory:
File Length Name/status
1 4137888 c2900-mz
[4137952 bytes used, 12639264 available, 16777216 total]
16384K bytes of processor board System flash (Read/Write)\
Command or Action Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
copy nvram:startup-config {ftp: | rcp: | tftp:}
Example:
Router# copy nvram:startup-config ftp:
Copies the startup configuration file to a server.
• The configuration file copy serves as a backup copy.
• Enter the destination URL when prompted.
Step 3
dir flash0:
Example:
Router# dir flash0:
Displays the layout and contents of a flash memory file
system.
• Write down the name of the system image file.
Step 4
copy flash0: {ftp: | rcp: | tftp:}
Example:
Router# copy flash0: ftp:
Copies a file from flash memory to a server.
• Copy the system image file to a server to serve as a
backup copy.
• Enter the flash memory partition number if prompted.
• Enter the filename and destination URL when
prompted.