CISCO ASA IOS UPGRADE (IOS 8.x to 9.x)

For upgrading the IONS from ASA8.6 to ASA9.31 we need to first upgrade It to ASA9.02 and then upgrade to ASA9.31.

          

            Step 1: Copy both the IOS binaries to the TFTP server.

            Step 2: Go to Firewall Console and preform the following steps.

           Step 3: To check IOS is copied or not.

          Step 4: To Check the boot Variables

          

          Step 5: To assign the boot variable and check whether current Boot variable is assigned or not:

                             

          Step 6: Reload the Firewall using Reload command.

         Step 7: After the device is reloaded check the version.

            *Now the firewall is upgraded with ASA software Version 9.0(2)

       Step 8: Now we need to copy the IOS ASA931 from TFTP server.

           

  

      Step 9: Check IOS ASA931 is copied.

      Step 10: Check the Boot variables.After that we need to clear the Current Boot variable and assign the current Boot Variable with the ASA931 IOS binary and reload.

           *Following are commands in the snapshot: 

     Step 11: After the device is reloaded check the version.

  

                   

     

     Now the firewall is upgraded with ASA software Version 9.3(1)