[WinMac] more on DHCP
Marc Bizer(mlbizer[at]mail.utexas.edu)
Wed, 14 Apr 1999 00:16:13 -0500
Hi everyone,
I thought that the following links about DHCP on the Mac
platform might be helpful:
<http://www1.macintouch.com/imacdhcp.html>
Don't be fooled; it's not just about iMacs. There is one message in
particular which states that Apple correctly implements the
applicable RFC (RFC 2131), but NT servers may not follow it correctly:
>Date: Wed, 10 Feb 1999 18:22:14 -0500 (EST)
>From: Eric C Wagner wagnerer@umich.edu
>To: notes@macintouch.com
>Subject: DHCP problem
>
>If you look at the RFC covering DHCP (RFC 2131) you'll find that
>Apple has implemented the protocol correctly. What is happening here
>is that the RFC says servers SHOULD(1) allow a computer to request
>the same address its received before if its still within the lease
>lifetime. Even if it has previously released the address. Server
>programmers are probably neglecting to support this part of the
>standard because its not absolutely required and it would use up
>memory storage to cache addresses for their entire lifetime.
>The question for Apple is should they strictly adhere to a written
>standard or conform to how the standard has been improperly
>implemented. In this case I think the OT engineers should just grab
>a new address if getting the old one fails rather than returning an
>error code.
>Eric
>From the RFC:
>(1) This word or the adjective "RECOMMENDED" means that there may
>exist valid reasons in particular circumstances to ignore this item,
>but the full implications should be understood and the case
>carefully weighed before choosing a different course.
See also the message from Alan Hart immediately preceding this message.
--Marc
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