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Utility 165
Host-Specific Config File Not Found
If the Auto Config process fails to download a configuration file, a message is logged. If a final
configuration file is not downloaded, as described in Table 9-1, the Auto Config procedure continues to
issue TFTP broadcast requests. The frequency of the broadcasts is once per 10 minute period.
Terminating the Auto Config Process
A user can terminate the Auto Config process at any time prior to the downloading of the config file.
This is useful when the switch is disconnected from the network, or when the requisite configuration
files are configured on TFTP servers. Termination of the Auto Config process ends further periodic
requests for a host-specific file.
Managing Downloaded Config Files
The configuration files downloaded by Auto Config are stored in the nonvolatile memory. The files may
be managed (viewed, displayed, deleted) along with files downloaded by the configuration scripting
utility.
A file is not automatically deleted after it is downloaded. The file does not take effect upon a reboot
unless an administrator opts to save config (the saved configuration takes effect upon reboot). If the user
does not opt to save config, the Auto Config process occurs again on a subsequent reboot. This may
result in one of the previously downloaded files being overwritten.
Restarting the Auto Config Process
The Auto Config process is automatically started on a subsequent reboot if the configuration file is not
found on the switch. This can occur if configuration has not been saved on the switch, or after the
administrator issues a command to erase the configuration file.
During a session, the Auto Config process may be restarted (if the administrator has previously stopped
the Auto Config process). This action re-initiates the process for this login session only. It is
recommended that this action be performed only when the administrator is certain that configuration is
clear in order to have predictable results.
Reinitialization of the switch (after a clear config) automatically activates the Auto Config process if
there is no configuration file stored on the switch.
Switch Configuration Considerations
BOOTP or DHCP must be enabled on the switch in order for the Auto Config procedure to operate.
Network Configuration Considerations
Specifying a Default Router
Some network configurations require the specification of a default gateway through which some IP
communication can occur. The default gateway is specified by Option 3 of a BOOTP or DHCP response.