Upgrade Cisco IOS
To upgrade cisco ios you must do following to upgrade cisco ios.
Tested On Cisco 3750
- download correct version
- check version using :
# show version
- run tftp server
- on cisco switch/router
- # copy tftp: flash:
- assign ip address
- assign destination file
- verify ios bin file with following command :
# verify flash:c3750-ipbasek9-mz.150-2.SE4.bin
- (config)# config-register 0x2102 !shows in version command
- (config)# no boot system
- (config)# boot system flash:c3750-ipbasek9-mz.150-2.SE4.bin
- # write memory
- # reload
- # show version