IOS upgrade on Cisco 3750

 

  • check current version of IOS

show version

3750-IOS_upgrade1.png

  • copy new IOS onto flash

copy tftp: flash:

 

3750-IOS_upgrade2.png

  • set new IOS as a bootable

3750-IOS_upgrade3.png

current

 

#(config)boot system flash:c3750-ipbase-mz.122-50.SE5.bin

3750-IOS_upgrade4.png

after

 

#wr

#reload

save changes and reload

  • Check IOS version after reload

#sh version

3750-IOS_upgrade5.png

12.2(50)SE5 - OK! - upgrade done.We can go home.

 

dzbanek 2012-10-15

 

 

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