From: Farhan Anwar (farhan.anwar@gmail.com)
Date: Wed Oct 10 2007 - 14:34:09 ART
EIGRP will not redistribute unless you provide the metric with it, either by
using default-metrics or with specific metrics at the redistribution.
On 10/10/07, keith tokash <ktokash@hotmail.com> wrote:
>
> A related question is why are we able to omit the metrics when
> redistributing?
> I did this with RIP and couldn't figure out why redistribution silently
> did
> nothing until I put the metrics in. This is from the first lab in IE vol
> 4.1:
>
> Without metrics, a downstream neighbor's external eigrp routes:
> D EX 204.12.1.0/24 [170/20537856] via 183.1.28.2, 1d00h, Vlan28
> D EX 183.1.39.0 [170/20537856] via 183.1.28.2, 1d00h, Vlan28
> D EX 183.1.0.0 [170/21024256] via 183.1.28.2, 00:34:34, Vlan28
>
> Now the only thing I add is the metrics and the same downstream neighbor
> sees:
> D EX 222.22.2.0/24 [170/20566016] via 183.1.28.2, 00:06:43, Vlan28
> D EX 204.12.1.0/24 [170/20537856] via 183.1.28.2, 1d23h, Vlan28
> D EX 220.20.3.0/24 [170/20566016] via 183.1.28.2, 00:06:43, Vlan28
> D EX 183.1.39.0 [170/20537856] via 183.1.28.2, 1d23h, Vlan28
> D EX 183.1.0.0 [170/21024256] via 183.1.28.2, 22:58:14, Vlan28
>
> The upstream configs are:
> First example:
> router eigrp 100
> redistribute rip
>
> Second example:
> router eigrp 100
> redistribute rip metric 10000 100 255 1 1500
>
> With a few exceptions, secrecy is deeply incompatible with democracy and
> with
> science.
> --Carl Sagan
>
> > From: joe@affirmedsystems.com
> > To: farhan.anwar@gmail.com; cisco2study@gmail.com;
> ccielab@groupstudy.com
> > Subject: RE: EIGRP K values
> > Date: Wed, 10 Oct 2007 09:12:45 -0400
> >
> > That is what I meant...Redistribution... not the CCNA pneumonic
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Farhan Anwar
> > Sent: Wednesday, October 10, 2007 8:32 AM
> > To: cisco2study@gmail.com; ccielab@groupstudy.com
> > Subject: Re: EIGRP K values
> >
> > When we are doing redistribution, EIGRP asks for specific parameters and
> the
> > Big Dogs Really Like Me acronym stands true.
> >
> > R1(config-router)#redistribute ospf 1 metric ?
> > <1-4294967295> Bandwidth metric in Kbits per second
> >
> > R1(config-router)#redistribute ospf 1 metric 10000 ?
> > <0-4294967295> EIGRP delay metric, in 10 microsecond units
> >
> > R1(config-router)#redistribute ospf 1 metric 10000 100 ?
> > <0-255> EIGRP reliability metric where 255 is 100% reliable
> >
> > R1(config-router)#redistribute ospf 1 metric 10000 10 100 ?
> > <1-255> EIGRP Effective bandwidth metric (Loading) where 255 is 100%
> > loaded
> >
> > R1(config-router)#redistribute ospf 1 metric 10000 10 100 100 ?
> > <1-65535> EIGRP MTU of the path
> >
> > R1(config-router)#redistribute ospf 1 metric 10000 10 100 100 1500
> >
> > But when doing a change in metric weights, it simply asks for K1 - K5
> > values, and their order should be according to EIGRP's formula, hence
> "The
> > Big Ladies Dont Run Much" acronym stands true.
> >
> > as in the formula : metric = [K1*bandwidth + (K2*bandwidth)/(256 - load)
> +
> > K3*delay] * [K5/(reliability + K4)]
> >
> > thats what i believe.
> > HTH.
> >
> > On 10/10/07, Joseph Brunner <joe@affirmedsystems.com> wrote:
> > >
> > > It's Big Dogs really like me
> > >
> > > It always has been... I read that acronym in like 1999...
> > >
> > >
> > > Oh, and big dogs do like me.
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
> > > nicky noname
> > > Sent: Wednesday, October 10, 2007 2:55 AM
> > > To: Cisco certification
> > > Subject: EIGRP K values
> > >
> > > Hello,
> > >
> > > I have a little doubt about EIGRP K values that I would like to clear
> up.
> > >
> > > From what I understood, the default K values 10100, representing
> > > K1=bandwidth/K2=delay/K3=Reliability/k4=Load/ k5=MTU repectfully.
> > >
> > > This order does not see correct to me. I thought that bandwidth and
> delay
> > > were considered by default by EIGRP............and I know that delay
> does
> > > affect the EIGRP metric, as can be seen from manipulating the delay
> > > interface variable.
> > >
> > > So, is it Bandwidth/Load/Delay/MTU/reliability
> > >
> > > If we want to change the defaults to make bandwith 3 times and add
> > > reliability we use metric weights 031100. This would indicate it is
> > > bandwidth/reliabilty/delay?
> > >
> > > I think my confusion stems from a mixup with how you specify the
> default
> > > metrics for redistribution.
> > >
> > > redistribute ospf 1 metric 10000 100 255 1 1500 ( bandwidth,
> > > delay,reliability,load,MTU),
> > >
> > > They are not equal eh?
> > >
> > > Some clear simple explaination would be nice!
> > >
> > >
> _______________________________________________________________________
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> > >
> _______________________________________________________________________
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> > >
> >
> >
> >
> > --
> > Farhan Anwar
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
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> >
> > _______________________________________________________________________
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>
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-- Farhan Anwar
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