Re: Doyle I Pg 799 - Route Filtering Question

From: Omer Ansari (omer@ansari.com)
Date: Sun Sep 08 2002 - 11:31:50 GMT-3


Chang,

I agree with you. In fact, A and B are not running ISIS in the first
place.

Do also comment on Q.6. the answer should be under the eigrp
configuration, not under the ISIS configuration right?

On Mon, 2 Sep 2002, ying c wrote:

> Hi,
>
> Can someone explain why the solution provided for page
> 799 question 5 EIGRP/ISIS redistribution in page 961
> is needed?
>
> In page 961, Doyle explains that we don't need to do
> anything when redistribute from ISIS into EIGRP,
> because EIGRP external routes have higher AD 170. I
> have no problems with this part. However, when we
> redistribute from EIGRP into ISIS, he raises route
> coming from EIGRP domain to 170, is this necessary? I
> cannot see why we need it, because we redistribute
> from a lower AD domain (EIGRP AD = 90) into a higher
> AD domain (ISIS AD = 115). It seems to me that with or
> without the distance manipulation added in page 961 we
> should not see any differences in the routing table.
>
> Maybe I'm missing something here.
>
> Thanks,
> Chang
>
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