From: Joseph Rinehart (jjrinehart@hotmail.com)
Date: Wed Mar 24 2004 - 16:23:35 GMT-3
My calculation for that would be 1000 as the reference bandwidth would make
the cost 10 for a 100MB link. Is that cost what the connected router is
advertising or is it on the other link? The cost would be both the attached
interface as well as the cost of the one on the other side....
----- Original Message -----
From: "Joseph D. Phillips" <jphillips@ufcwdrugtrust.org>
To: "Group Study (E-mail)" <ccielab@groupstudy.com>
Sent: Wednesday, March 24, 2004 10:47 AM
Subject: OSPF auto-cost reference-bandwidth calc
> If the default reference bandwidth is 100, how does changing the auto-cost
reference bandwidth to 3000 produce a cost of 10 on a directly-connected,
100 mb link?
>
> The default cost for such a link is 1. I don't understand how multiplying
the reference bandwidth by 30 produces a cost 10 times higher than the
default.
>
> This is in reference to Internetworkexpert Lab 14 Task 5.17, for those
keeping score at home.
>
> The original explanation of this command in the solutions guide doesn't
explain how the results are calculated by the OSPF process.
>
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