Managing System Files
DHCP Auto Configuration
Cisco Small Business 200 Series Smart Switch Administration Guide 42
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• If the configuration filename was supplied by the DHCP server, then the
copy protocol (TFTP) is selected as described in DHCP Auto
Configuration.
• If a configuration filename was not supplied by the DHCP server, the
backup configuration file name is used.
• If the configuration filename was not supplied by the DHCP server and the
backup configuration file name is empty, the Auto Configuration process is
halted.
• The TFTP server is accessed to download the file from it.
The download process is done only if the new configuration filename is
different from the current configuration filename (even if the current
configuration file is empty).
• A SYSLOG message is generated acknowledging that the Auto
Configuration process is completed.
Configuring DHCP Auto Configuration
The
DHCP Auto Configuration
page is used to perform the following actions when
the information is not provided in a DHCP message:
• Enable DHCP auto configuration feature.
• Specify the download protocol.
• Configure the switch to receive configuration information from a specific file
on a specific server.
Note the following regarding the DHCP auto configuration process:
• A configuration file that is placed on the TFTP server must match the form
and format requirements of a supported configuration file. The form and
format of the file are checked, but the validity of the configuration
parameters is not checked prior to loading it to the Startup Configuration.
• To ensure that the device configuration functions as intended, due to
allocation of different IP addresses with each DHCP renew cycle, it is
recommended that IP addresses be bound to MAC addresses in the DHCP
server table. This ensures that each device has its own reserved IP address
and other relevant information.
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