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Cisco Catalyst 2950 Command Reference

Cisco Catalyst 2950
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2-11
Catalyst 2950 and Catalyst 2955 Switch Command Reference
OL-10102-01
Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
archive download-sw
Command History
Usage Guidelines Use the /overwrite option to overwrite the image on the flash device with the downloaded one.
If the flash device has sufficient space to hold two images and you want to overwrite one of these images
with the same version, you must specify the /overwrite option.
If you specify the command without the /overwrite option, the download algorithm verifies that the new
image is not the same as the one on the switch flash device. If the images are the same, the download
does not occur. If the images are different, the old image is deleted, and the new one is downloaded.
The /imageonly option removes the device manager files for the existing image if the existing image is
being removed or replaced. Only the software image (without the device manager files) is downloaded.
Using the /safe or /leave-old-sw option can cause the new image download to fail if there is insufficient
flash space.
If you used the /leave-old-sw option and did not overwrite the old image when you downloaded the new
one, you can remove the old image by using the delete privileged EXEC command. For more
information, see the delete command.
If you leave the existing software in place before downloading the new image, an error results if the
existing software prevents the new image from fitting onto flash memory.
After downloading a new image, enter the reload privileged EXEC command to begin using the new
image, or specify the /reload or /force-reload option in the archive download-sw command.
Examples This example shows how to download a new image from a TFTP server at 172.20.129.10 and to
overwrite the image on the switch:
Switch# archive download-sw /overwrite tftp://172.20.129.10/test-image.tar
This example shows how to download only the software image from a TFTP server at 172.20.129.10 to
the switch:
Switch# archive download-sw /imageonly tftp://172.20.129.10/test-image.tar
This example shows how to keep the old software version after a successful download:
Switch# archive download-sw /leave-old-sw tftp://172.20.129.10/test-image.tar
Related Commands
Release Modification
12.1(11)YJ This command was introduced.
Command Description
archive tar Creates a tar file, lists the files in a tar file, or extracts the files from a tar file.
archive upload-sw Uploads an existing image on the switch to a server.
delete Deletes a file or directory on the flash memory device.

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Cisco Catalyst 2950 Specifications

General IconGeneral
Forwarding Bandwidth8.8 Gbps
Switching Capacity13.6 Gbps
Forwarding Rate6.6 Mpps
Weight3.6 kg
RAM16 MB
Flash Memory8 MB
Operating Humidity10% to 85% non-condensing
Uplink Ports2 x 10/100/1000Base-T
Dimensions4.4 cm x 44.5 cm x 24.2 cm
Remote Management ProtocolSNMP, Telnet, HTTP
FeaturesQuality of Service (QoS), VLAN support
Compliant StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p
Status Indicatorssystem
Operating Temperature0 to 45°C
Ports24 x 10/100 Ethernet ports
MAC Address Table Size8, 192 entries
Power SupplyInternal 100-240V AC, 50-60Hz

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