Priscilla,
Since when has "real world" ever had anything to do with it? Case in point,
Cisco still has us teaching (and is testing based on it) classful addressing in
our academy!
Tom Lisa, Instructor, CCNA, CCAI
Community College of Southern Nevada
Cisco Regional Networking Academy
Priscilla Oppenheimer wrote:
> At 08:27 AM 9/28/00, you wrote:
> >Is there any easy way to understand how the RIF and RII work?
>
> Get a protocol analyzer and let it do it for you. Seriously. If the tests
> are still asking you to decode RIFs by hand, this is really silly. You will
> have very little need for this skill in the real world, if you ask me.
>
> If the tests do expect you to decode a RIF by hand, (I can't remember if
> they do or not), then just remember what the major fields are and how big
> they are.
>
> Routing control field is two bytes.
> Each route descriptor is two bytes, consisting of 12 bits for ring number
> and 4 bits for bridge number.
>
> For more info, see the white paper on this subject at GroupStudy:
>
> http://www.groupstudy.com/notes/notepages/rif2.html
>
> Priscilla
>
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