Change Cisco Hostname

Change Cisco Hostname

launch your telnet session or console

password : [enter your telnet password here]
switch> en
password : [enter your privileged exec password here]

switch # configure terminal
switch (config) # hostname MYSWITCH
MYSWITCH (config) # end

[optional] Backup your old setup
MYSWITCH # copy startup-config startup-config.bak

Save your running setup (so it will start at boot)
MYSWITCH # copy running-config startup-config