BACK UP AND RESTORE OF IOS(Internetwork Operating System):-

IOS Installation in flash Drive :

        There are some step follow thats to backup of ios in Router:

  step1.    Show flash (this is a cmd as in fig). and then copy .bin file as high light in fig.
     fig of ios backup
         

  after this write next commond.
  step2.    copy flash :tftp:  step3.   and then paste .bin file(thatb was you coppied).
 step4.   give give host name (server ip address).
 step5.  give destination of file in which you want  to save file.

 

After this now, go to switch CLI and write some commond are bellow

1. int fa0/1

2. soanning tree portfast.

3. end

4. wr. and the press enter button.

IOS Restore from Server:

Please follow the step for restore ios from server/

step 1. Reload the Router and go to Rommon mode.

step2. tftpdnld

step3. IP_ADDRESS= give your router ip as in fig.

follow all as in fig. and note - write down commond as it is in fig .

 

 

                    you should write doun your adress and file name

 

 

step4. press y .and 2 times enter button.

step 5 ..reset. and press enter button.c