IOS upgrade

(tested on Cisco 1841)

 

  • 1.Check if your server is accessible from your router.

 

1.JPG

 

  • 2.Copy ios image from tftp server to flash card.

 

2.JPG

 

  • 3.Check if new IOS exists on flash card.

    #dir flash:

 

3.JPG

 

  • 4.Check how your current IOS is started(for info purpose)

    #show version

 

4.JPG

 

  • 5.Configure router to start with new IOS and save changes.

(config)#boot system flash c1841-adventerprisek9-mz.151.M3.bin

(config)#do wr

 

5.JPG

 

  • 6.Reload router and check version of your IOS.

#reload
#show version

6.JPG

 

dzbanek 2012-02-26

 

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