Re: EIGRP and ATM CRCs

From: Sean C (Upp_and_Upp@hotmail.com)
Date: Tue May 06 2003 - 19:22:18 GMT-3


Jung,

Do you have a CCO link that discusses how the reliability metric is based
off of CRCs? I can't find anything on the website discussing how the
reliability metric, itself, is computed. I can see the metric being based
off of up/down status and the line bouncing, but is that metric also
including CRCs in particular?

Thx, Sean
----- Original Message -----
From: "Jung, Jin" <jin.jung@lmco.com>
To: "Sean C." <Upp_and_Upp@hotmail.com>; <ccielab@groupstudy.com>
Sent: Tuesday, May 06, 2003 8:32 AM
Subject: RE: EIGRP and ATM CRCs

> I believe that question looks like metric adjustment question,,
>
> You have to think that what in EIGRP metric can "ATM CRC" cause to change
> its metric.
>
> Bandwidth delay reliability load MTU,,
> ????
>
> -- by default only the bandwidth and delay K value can reflect EIGRP
metric,
>
> In this case, you need to enable one of above K value to 1 ,,
>
> My guess would be you have to enable reliability for EIGRP...
>
>
> Jin jung...
>
> -----Original Message-----
> From: Joe Chang [mailto:changjoe@earthlink.net]
> Sent: Monday, May 05, 2003 9:35 PM
> To: Sean C.; ccielab@groupstudy.com
> Subject: Re: EIGRP and ATM CRCs
>
>
> Decrease the EIGRP hello interval, and decrease the hold time so that it
is
> something closer to the hello interval. For example 10 seconds hello, 20
> seconds hold time.
>
> ----- Original Message -----
> From: "Sean C." <Upp_and_Upp@hotmail.com>
> To: <ccielab@groupstudy.com>
> Sent: Monday, May 05, 2003 8:48 PM
> Subject: EIGRP and ATM CRCs
>
>
> > Hello all,
> >
> > Found this question on the sample exam from IPExperts and I can't
> > figure
> out
> > the answer. Any clues??
> > http://www.ipexpert.net/products/itemdetail.asp?SKU=ip0001
> >
> > "It has seen lots of time that ATM interface generates CRC errors.
> > Configure EIGRP such upon getting such errors on any particular router
> will
> > automatically reflect to EIGRP toplolgy of all routers in EIGRP AS."
> >
> > TIA,
> > Sean
>

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