host name
David W. Hankins
David_Hankins at isc.org
Sat Jan 13 02:59:24 UTC 2007
On Fri, Jan 12, 2007 at 11:11:19AM -0800, Hai Tao wrote:
> can you explain clearly what hostname is?
I'm not sure what you're asking.
'option host-name' is a DHCP option value that tells a client what their
hostname is.
The 'name' field of a host {} declaration is the host record's _only_
unique key in the in-memory database of host records.
Client identifiers and mac addresses are not unique keys by which you
could ask the in-memory database to fetch the memory location of the
specific host record you had in mind. They are keys, but this
potentially nets a list of results rather than one result.
Only the name field is unique among host {} declarations.
--
David W. Hankins "If you don't do it right the first time,
Software Engineer you'll just have to do it again."
Internet Systems Consortium, Inc. -- Jack T. Hankins
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