MS started using the private addressing thing with Windows 98...
Z
>From: Priscilla Oppenheimer <[EMAIL PROTECTED]>
>Reply-To: Priscilla Oppenheimer <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Subject: RE: A question regarding private addressing
>Date: Fri, 05 Jan 2001 15:28:00 -0800
>
>At 08:40 PM 1/5/01, Willy Schoots wrote:
> >If this
> >attempt to locate a DHCP server fails, the Windows 2000 DHCP client
> >autoconfigures its stack with a selected IP address from the
>IANA-reserved
> >class B network 169.254.0.0 with the subnet mask 255.255.0.09 . The DHCP
> >client tests (using a gratuitous ARP) to make sure that the IP address
>that
> >it has chosen is not already in use. If it is in use, it selects another
>IP
> >address (it does this for up to 10 addresses). Once the DHCP client has
> >selected an address that is verifiably not in use, it configures the
> >interface with this address. It continues to check for a DHCP server in
>the
> >background every 5 minutes. If a DHCP server is found, the
>autoconfiguration
> >information is abandoned, and the configuration offered by the DHCP
>server
> >is used instead.
>
>Good answer, Willy. I think there is a typo in the subnet mask. I think you
>meant 255.255.0.0.
>
>I would just like to ask, why does this look so familiar and who said
>AppleTalk was silly? &;-)
>
>Microsoft stole this from AppleTalk. Ironically, Apple doesn't care and in
>fact has been using the Automatic Private IP Addressing scheme for a few
>years. I think Microsoft themselves only started using it pretty recently.
>(Windows 2000, you say?)
>
>When troubleshooting Macintoshes that can't get on the net, the first thing
>I check for is a 169.254.x.x address which indicates the Mac couldn't find
>the DHCP server (usually due to some silly Layer 1 problem &;-)
>
>Now, we can start using this troubleshooting method with PCs also. Other
>than for troubleshooting, I don't expect this private addressing scheme to
>get too popular, though it's kind of cool and a great Apple invention! I
>could see it being used in schools or small businesses that don't access
>the Internet, but who doesn't access the Internet these days?
>
>OK, enough rambling.
>
>Priscilla
>
>
>________________________
>
>Priscilla Oppenheimer
>http://www.priscilla.com
>
>_________________________________
>FAQ, list archives, and subscription info:
>http://www.groupstudy.com/list/cisco.html
>Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com
_________________________________
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
