CHAPTER 6 MANAGEMENT AND MAINTENANCE
UPGRADING THE PROGRAM
Upgrading procedure
To upgrade the program, use the following procedure. In case that an unexpected fault occurs during down- loading, you must set up network boot. Be sure to do this for safety.
(1)Preparations
(2)Set up network boot and save the settings
(3)Delete the current program file
(4)Download the new program file from the TFTP server
(5)Check that the downloaded file is normal
(6)Delete the network boot settings and save the new settings
(7)Restart the
NOTE 1: After you have updated the program file, you must restart the
NOTE 2: Network boot via a PPP or PPPoE line is not supported. To upgrade the program via a PPP or PPPoE line, omit steps (2) and (6).
Preparations
Execute the ping command on the TFTP server to check that the network between the
Use the write memory command to save running config as startup config.
MEMO: In case that a fault occurs, use the show
Setting up network boot and saving the settings
In case that a fault occurs, set up the
The reason why this step is required is that if an automatic restart occurs for some reason (such as turning the power OFF and ON) while the new program file is being downloaded, the program file in flash memory may be destroyed, making the
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