From: Sheahan, John (John.Sheahan@priceline.com)
Date: Mon Jan 10 2005 - 16:34:29 GMT-3
On another note, I guess I didn't realize that the loopback 127.0.0.1
had a mask of /8 ?
I always thought that it meant "this host" and was a /32 ?
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Ali Manzoor Khan
Sent: Monday, January 10, 2005 2:26 PM
To: James Ventre
Cc: ccielab@groupstudy.com
Subject: Re: Fw: Microsoft Loopback.
The 127.0.0.1 is just a reserved loopback address for all the NICs.
I would put both as e.g. 169.254.0.0/16 and 127.0.0.1/8, if asked by
cisco.
Ali Manzoor
On Mon, 10 Jan 2005, James Ventre wrote:
> 169.254.0.0/16 is the auto-configure range. And it's not just MS
Stuff,
> it's actually RFC'd (RFC3330)
>
> http://www.faqs.org/rfcs/rfc3330.html
>
> 169.254.0.0/16 - This is the "link local" block. It is allocated
for
> communication between hosts on a single link. Hosts obtain these
> addresses by auto-configuration, such as when a DHCP server may not
> be found.
>
> If 127.0.0.1 isn't a loopback ... then what is answering for it when I
ping it - and all I have plugged into my NIC is a looped RJ45?
>
> James
>
>
>
>
> Joseph D. Phillips wrote:
>
> >No, it's not.
> >
> >If you got that question on the exam, Cisco was probably referring to
> >169.254.0.0/16
> >
> >Kind of dirty pool because Microsoft itself does not refer to this
address
> >range as such. To Microsoft, it's its "autonet" address range, used
for
> >autoconfiguration of network interface adapters.
>
>
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