Assign Fix IP by Option 82

David W. Hankins dhankins at
Fri Nov 13 23:20:37 UTC 2009

On Thu, Nov 12, 2009 at 10:19:42PM -0800, Billy Ng wrote:
> I'd like to configure the DHCP server (4.1.0p1) to assign fix IP to the client by "option 82" with following info:

I recently reviewed a feature that allows the DHCPv6-introduced "host-
identifier" match syntax for host {} records to be extended to DHCPv4,
I expect that will appear in 4.2.0-first.

Note that this uses the entirety of a named option, it doesn't take an
arbitrary data-expression (no substring()'s, etc).

So host records with fixed-addresses can be used in this manner.

This doesn't provide a solution for "dynamic, reserved" leases.

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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