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Date:      Thu, 27 May 1999 21:58:42 -0400 (EDT)
From:      Jamie Bowden <ragnar@sysabend.org>
To:        Dan Langille <junkmale@xtra.co.nz>
Cc:        Jasper O'Malley <jooji@webnology.com>, freebsd-chat@FreeBSD.ORG
Subject:   Re: Mickey Mouse networking...
Message-ID:  <Pine.BSF.3.96.990527215604.26922A-100000@beelzebubba.sysabend.org>
In-Reply-To: <199905271958.PAA01682@gatekeeper.itribe.net>

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On Fri, 28 May 1999, Dan Langille wrote:

:On 27 May 99, at 13:41, Jasper O'Malley wrote:

:> Another reason Microsoft sucks...whilst attempting to set an IP address on
:> a NIC in a Win98 box to 10.4.100.255/255.255.0.0, I encountered the error
:> message:
:> 
:> "The specified IP address is not valid."
:> 
:> I say we take a collection to send the Microsoft programmers to a class on
:> IP subnetting.
:
:OK.  I'll be the lamb to the slaughter.
:
:I understood that ip addresses ending in either 0 or 255 were not to be 
:used.  They are both used as broadcast addresses.  Is that correct?
:
:If the above is correct, why is the IP address supplied above correct?

The first address in a subnet (any subnet, from a /8 to a /30) is the
network address.  In 4.2 BSD it was also the braodcast address.  The rest
of the world, including BSD 4.3 and later use the last address in a subnet
as the broadcast address.  I don't think windows supports 4.2 BSD
compatibility, so the above error is perfectly valid.

Jamie Bowden

-- 

If we've got to fight over grep, sign me up.  But boggle can go.
	-Ted Faber (on Hasbro's request for removal of /usr/games/boggle)



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