Before reloading the switch, use the command in Global Configuration Mode to specify that you want to boot off of the new IOS.
To perform the upgrade, you can either use the Cisco Network Assistance (CNA) or the Cisco command-line interface (CLI) to upgrade your switch.
Since we recently discussed the advantages of CNA, we'll use the CLI for this example.
To determine which IOS is currently running on your switch, use the This deletes the HTML directory and all files it contains, as well as any subdirectories.
Check to see if you have enough room to transfer the new IOS without running out of space.
If not, you may have to delete your current IOS as well.
In my case, I had to delete both the current IOS and the HTML directory.
David Davis has worked in the IT industry for 12 years and holds several certifications, including CCIE, MCSE I, CISSP, CCNA, CCDA, and CCNP.
He currently manages a group of systems/network administrators for a privately owned retail company and performs networking/systems consulting on a part-time basis.
To find the correct IOS version, log into the Cisco Web site, go to the Switches Downloads Web page, and navigate to LAN Switches.
The process is just as easy as downloading any other software.
If you only have the new IOS on your switch, just reload your switch with the .