From: Jay Hennigan (jay@xxxxxxxx)
Date: Thu Mar 28 2002 - 02:19:56 GMT-3
On Wed, 27 Mar 2002, Sean C. wrote:
> Hi Matthew,
>
> Per Perlman "Interconnections, 2nd Ed." p 306 - "Poison reverse means
> reporting a value of infinity to explicitly report that you can't reach D
> rather than simply not mentioning D." So, instead of not acknowledging
> something, the issue in question is acknowledged, but with an answer that is
> not valid, thus 'spoiling' the output.
And this has a benefit if you are advertising a less specific or default
route. "I can reach A, if which D is a subset, but I specifically can't
reach D."
-- Jay Hennigan - CCIE #7880 - Network Administration - jay@west.net NetLojix Communications, Inc. - http://www.netlojix.com/ WestNet: Connecting you to the planet. 805 884-6323
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