Cisco Cisco IOS Software Release 12.2(55)SE
4
Release Notes for the Catalyst 2918 Switch, Cisco IOS Release 12.2(55)SE and Later
OL-23020-05
Upgrading the Switch Software
Deciding Which Files to Use
The upgrade procedures in these release notes describe how to perform the upgrade by using a combined
tar file. This file contains the Cisco IOS image file and the files needed for the embedded device
manager. You must use the combined tar file to upgrade the switch through the device manager. To
upgrade the switch through the command-line interface (CLI), use the tar file and the
archive download-sw privileged EXEC command.
tar file. This file contains the Cisco IOS image file and the files needed for the embedded device
manager. You must use the combined tar file to upgrade the switch through the device manager. To
upgrade the switch through the command-line interface (CLI), use the tar file and the
archive download-sw privileged EXEC command.
These are the Cisco IOS Software image files for the Catalyst 2918 switch:
Archiving Software Images
Before upgrading your switch software, make sure that you have archived copies of the current Cisco
IOS release and the Cisco IOS release to which you are upgrading. You should keep these archived
images until you have upgraded all devices in the network to the new Cisco IOS image and until you
have verified that the new Cisco IOS image works properly in your network.
IOS release and the Cisco IOS release to which you are upgrading. You should keep these archived
images until you have upgraded all devices in the network to the new Cisco IOS image and until you
have verified that the new Cisco IOS image works properly in your network.
Cisco routinely removes old Cisco IOS versions from Cisco.com. See Product Bulletin 2863 for more
information:
information:
You can copy the bin software image file on the flash memory to the appropriate TFTP directory on a
host by using the copy flash: tftp: privileged EXEC command.
host by using the copy flash: tftp: privileged EXEC command.
Note
Although you can copy any file on the flash memory to the TFTP server, it is time consuming to copy
all of the HTML files in the tar file. We recommend that you download the tar file from Cisco.com and
archive it on an internal host in your network.
all of the HTML files in the tar file. We recommend that you download the tar file from Cisco.com and
archive it on an internal host in your network.
You can also configure the switch as a TFTP server to copy files from one switch to another without
using an external TFTP server by using the tftp-server global configuration command. For more
information about the tftp-server command, see the “Basic File Transfer Services Commands” section
of the Cisco IOS Configuration Fundamentals Command Reference, Release 12.2:
using an external TFTP server by using the tftp-server global configuration command. For more
information about the tftp-server command, see the “Basic File Transfer Services Commands” section
of the Cisco IOS Configuration Fundamentals Command Reference, Release 12.2:
Upgrading a Switch by Using the Device Manager
You can upgrade switch software by using the device manager. For detailed instructions, click Help.
Note
When using the device manager to upgrade your switch, do not use or close your browser session after
the upgrade process begins. Wait until after the upgrade process completes.
the upgrade process begins. Wait until after the upgrade process completes.
c2918-lanlitek9-tar.122-55.SE.tar
Catalyst 2918 cryptographic image file and device manager files. This image
has the Kerberos and SSH features.
has the Kerberos and SSH features.