I was able to set a password and user name, but my issue is when I log into the switch through a web browser I can enter the password with no username and still have access to the switch? When I Hyper Terminal into the switch I ran the command "show ...

Is there a way to reset user name on a Cisco Catalyst 3550 series switch. I was able to reset the password, but it turns out that the user name was also changed.