7
Release Notes for the 4-MB Catalyst 2900 Series XL Cisco IOS Release 11.2(8.6)SA6
OL-0332-02
Upgrading to a New Software Release
Upgrading to a New Software Release
This section describes the procedure for upgrading your switch software by using the IOS
command-line interface (CLI).
If you are running IOS Release 11.2(8)SA3 or later, we recommend that you upgrade the switch by
using the web-based CVSM. Instructions for upgrading through CVSM are in the Catalyst 2900 Series
XL Installation and Configuration Guide, or, for this IOS release, the Cisco IOS Desktop Switching
Software Configuration Guide.
Note You cannot use the web-based interface to upgrade a switch running IOS Release
11.2(8)SA2 or previous releases. Use the CLI to perform the upgrade in such cases.
The CLI upgrade procedure consists of the following major steps:
Step 1 Downloading the combined .tar file from CCO. This file contains the IOS image and the HTML files.
The tar command extracts the IOS image and the HTML files from the combined .tar file during the
TFTP copy to the switch.
Step 2 If necessary, downloading the TFTP server application to copy the switch software from your PC to
the switch.
Step 3 Using the CLI or CVSM to upgrade your switch to the new software.
Which Files to Use
Review Table 5 and Table 6 before you download the software. Table 5 describes the file extensions and
what they mean for the upgrade procedure. In general, it is easier to upgrade the switch software by
using a combined .tar file that contains the HTML files and the IOS image. The upgrade procedures in
these release notes describe how to use a combined .tar file, and you must use a combined .tar file to
upgrade a switch through the switch HTML interfaces.
Table 6 lists the file names for the 4-MB original edition software. Original edition software is
Enterprise Edition Software that runs on the following 4-MB switch models: WS-C2908-XL,
WS-C2924-XL, WS-C2924C-XL, or WS-C2916M-XL. Original edition software does not support
TACACS+, STP UplinkFast, or NTP. This software enables the switch to act as a cluster member switch
only, not a commander switch.
Table 5 Possible Extensions for IOS Software Files
Extension Description
.tar A compacted file from which you can extract files by using the tar command. There are two types of .tar files:
• A combined .tar file that contains both the IOS image file and the HTML files. You can upgrade the switch
software with this file from the CLI or from the CVSM System page.
• An HTML .tar file that has the letters HTML in its name and contains just the HTML files for an IOS release.
You can upgrade the switch software from the CLI with this HTML file and the IOS image file.
.bin The IOS image file that you can copy to the switch through TFTP.
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