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DHCP operation
33
Client operation
The DHCP client has been designed to ease
integration of the AP into larger networks, and
as such has a larger feature set than the server.
The intention is to allow the DHCP protocol to
be used to download a working configuration,
enabling the management of all APs on a
network to be handled centrally. In order to
support this, the client implementation draws
configuration information from the following:
• Standard DHCP options.
• Custom (Vendor class) options.
• The DHCP boot file option (identifies a
resource to be obtained later using TFTP).
The standard options cover only a small part of
the AP configuration, and by themselves are
insufficient to meet the target of central
management, so it is anticipated that one or
both of the remaining configuration methods
would also be required. However, it is possible
to devise a workable scheme, using DHCP to
assign addresses backed up by, for example, a
script using TFTP to update parameters.
When the AP is configured to run in DHCP
client mode, the dhcp command in the CLM
reports on the current lease within the AP.