The “setup dialog” can be used to configure IP addresses.
This dialog requires that the number of subnet bits be identified.
When the setup changes are accepted, these changes are automatically
saved to NVRAM.
The “configuration mode” can also be used to configure IP
addresses. This mode requires the subnet mask to be configured. All
changes must be saved to NVRAM with the “copy run start” command.
The configuration file may also be saved to a TFTP server or to a
disk.