B-27
Catalyst 3550 Multilayer Switch Software Configuration Guide
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AppendixB Working with the IOS File System, Configuration Files, and Software Images Working with Software Images
The download algorithm verifies that the image is app rop ri ate for t he sw it ch m ode l a nd tha t e nou gh
DRAM is present, or it aborts the process and reports an error. If you spec ify the /overwrite option, the
download algorithm removes the existing image on the Flash device, whether or not it is the same as the
new one, downloads the new image, and then reloads the software.
Note If the Flash device has sufficient space to hold two imag es an d you w ant to ove rwr ite one of the se
images with the same version, you must specify the /overwrite option.
If you specify the /leave-old-sw, the existing files are not removed. If there is n ot enough space to install
the new image and keep the running image, the downloa d pr oc ess stops, and a n er ror m essage is
displayed.
Step7 archive download-sw /overwrite /reload
ftp:[[//username[:password]@location]/directory]
/image-name.tar
Download the image file from the FTP server to the switch,
and overwrite the current image.
•The /overwrite option overwrites the software image in
Flash with the downloaded image.
•The /reload option reloads the system after downloading
the image unless the configuration has been changed and
not been saved.
•For //username[:password], specify the username and
password; these must be associated with an account on the
FTP server. For more information, see the “Preparing to
Download or Upload an Image File B y U s ing FTP”
section on page B-25.
•For @location, specify the IP address of the FTP server.
•For directory/image-name.tar, specify the directory
(optional) and the image to download. Directory an d
image names are case sensitive.
Step8 archive download-sw /leave-old-sw /reload
ftp:[[//username[:password]@location]/directory]
/image-name.tar
Download the image file from the FTP server to the switch,
and keep the current image.
•The /leave-old-sw option keeps the old software version
after a download.
•The /reload option reloads the system after downloading
the image unless the configuration has been changed and
not been saved.
•For //username[:password], specify the username and
password. These must be associated with an account on
the FTP server. For more information, see the “Prepari ng
to Download or Upload an Image File By Using FTP”
section on page B-25.
•For @location, specify the IP address of the FTP server.
•For directory/image-name.tar, specify the directory
(optional) and the image to download. Directory an d
image names are case sensitive.
Command Purpose