Date: Wed, 20 Nov 2002 11:12:47 +0000 From: Rob O'Donnell <robert@aphnet.co.uk> To: Matthew Seaman <m.seaman@infracaninophile.co.uk>, budsz <budsz@kumprang.or.id> Cc: freebsd-questions@freebsd.org Subject: Re: question on IP alias/broadcast Message-ID: <5.1.1.6.0.20021120110316.01fa4108@aph2k> In-Reply-To: <20021117081620.GA19147@happy-idiot-talk.infracaninophi> References: <20021117070457.GB45577@kumprang.or.id> <058f01c28d76$22296230$020aa8c0@morpheous> <5.2.0.9.2.20021116082511.00b26508@molson.wixb.com> <20021116162134.GB12726@happy-idiot-talk.infracaninophi> <20021117070457.GB45577@kumprang.or.id>
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At 08:16 17/11/2002 +0000, Matthew Seaman wrote: >On Sun, Nov 17, 2002 at 02:04:57PM +0700, budsz wrote: > > On Sat, Nov 16, 2002 at 04:21:34PM +0000, Matthew Seaman wrote: > > >expressed as a hexadecimal or even decimal integer. thus: > > > > > > 192.168.100.1 is the same as 0xc0a86401 or 3232261121 > > > ^^^^^^^^^^ > > >and > > > > > > 0xffffff00 is the same as 255.255.255.0 or 4294967040 > > ^^^^^^^^^^ > > > > Sorry sir, How we calculate that number (Decimal Interger)?, I hope > > explaination step by step? > >Simple enough: > >This perl snippet will convert a dotted quad address into an integer: > [snip] isn't it basically: 192 * 2^24 + 168 * 2^16 + 100 * 2^8 + 1 -- APH Computers Ltd. Tel: 0161-442 2603 Fax: 0161-443 1162 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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