RE: Eigrp routing quesiton.

From: <dls152_at_cox.net>
Date: Thu, 28 Mar 2013 18:50:55 -0400

Thank you guys for your responses.

---- Mohammad Mousa <mohd-mousa_at_hotmail.com> wrote:
> I struggled with the EIGRP calculations too when I was studying for my CCIE ;-)
>
> The full metric = [K1 * bandwidth + (K2 * bandwidth) / (256 - load) + K3 *
> delay] * [K5 / (reliability + K4)]
>
> By default K1,K3= 1 , others K's = 0 so the equation will be 256*((10^7 / min. Bw) + Delay)
>
> This is a good reference, check this out..
>
> http://www.cisco.com/en/US/tech/tk365/technologies_white_paper09186a0080094cb7.shtml
>
> HTH,
>
> --
> Mohammad Mousa
> CCIE #36990
>
>
>
> > CC: dls152_at_cox.net; ccielab_at_groupstudy.com
> > From: mothafungla_at_gmail.com
> > Subject: Re: Eigrp routing quesiton.
> > Date: Thu, 28 Mar 2013 21:59:53 +0000
> > To: bmcgahan_at_ine.com
> >
> > Hi Brian
> >
> > That's a nice way to put it.
> >
> > I struggled with the k metric calculations for a while
> >
> > Metric = [256 * (10^7/BW) + 256 * (Accumulated Delay)]
> >
> > ;)
> >
> > --
> > BR
> >
> > Tony
> >
> > Sent from my iPad
> >
> > On 28 Mar 2013, at 21:00, Brian McGahan <bmcgahan_at_ine.com> wrote:
> >
> > > The AD/FD calculation is actually really simple. If your metric is lower than mine, you are a loop free backup path.
> > >
> > >
> > >
> > > Brian McGahan, CCIE #8593 (R&S/SP/Security), CCDE #2013::13
> > > bmcgahan_at_INE.com
> > >
> > > Internetwork Expert, Inc.
> > > http://www.INE.com
> > >
> > >
> > > -----Original Message-----
> > > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of Tony Singh
> > > Sent: Thursday, March 28, 2013 3:04 PM
> > > To: <dls152_at_cox.net>
> > > Cc: ccielab_at_groupstudy.com
> > > Subject: Re: Eigrp routing quesiton.
> > >
> > > sh ip eigrp topology
> > >
> > > any peers will share their topology that's the way it is, if you have network statements or redistribution going on, the routing table will only install the best AD out of any protocols your running exception to this rule is longest match entries which would be preferred.
> > >
> > > With EIGRP know the AD/FD rules brother, there's a funky algorithm to calculate the loop free paths!
> > >
> > > --
> > > BR
> > >
> > > Tony
> > >
> > > Sent from my iPhone on 3
> > >
> > > On 28 Mar 2013, at 19:45, <dls152_at_cox.net> wrote:
> > >
> > >> I have eigrp question. I thought eigrp routes had to be in routing table to qualify for routing to eigrp neighbor?
> > >>
> > >> I have EBGP o eigrp and the BGP routes are in table with 20 AD but the eigrp routes in topology table routes are being advertise to eigrp neighbor. Is the rule different when redistributing into eigrp from other protocol?
> > >>
> > >>
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Received on Thu Mar 28 2013 - 18:50:55 ART

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