From: Ed Tan (tytanx@gmail.com)
Date: Wed Sep 14 2005 - 14:36:38 GMT-3
Thank you all for your valuable input. I will try it out and let you guys
know the outcome.
Thanks again.
Ed
On 9/14/05, Scott Morris <swm@emanon.com> wrote:
>
> Well.. Ok, so your problem is that when you make modifications to the
> interface like that, you are affecting things other than the EIGRP metric
> that you want.
>
> If you know what builds a metric then that's a start!
>
> Which begs the next question, of "how else can you modify the metric of an
> EIGRP route?"
>
> Thinking through it is half the fun! :)
>
> Scott
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Arun
> Arumuganainar
> Sent: Wednesday, September 14, 2005 11:50 AM
> To: swm@emanon.com; 'Ed Tan'; 'Group Study'
> Subject: Re: EIGRP load balance
>
> Hi Scott ,
>
> I have not tried this with EIGRP but certainly I have done this with OSPF
> .
>
> We use this very commonly when we wanted to simulate problems with
> loadbalancing . we normally run out of serial connections when trying to
> simulate customer problems under lab conditions . Work around in such a
> case
> is to use a Ethernet with bandwidth set to appropriate values.
>
> That's is the reason why I believe this will work with eigrp . If load on
> your network is significant enough to change your eigrp metric , then you
> should set appropriate k values to zero . This will make eigrp metric
> similar ospf . And we can get assured load balancing working with out the
> use of Variance .
>
> Thanks and Regards
> Arun
> ----- Original Message -----
> From: "Scott Morris" <swm@emanon.com>
> To: "'Arun Arumuganainar'" <aarumuga@hotmail.com>; "'Ed Tan'"
> <tytanx@gmail.com>; "'Group Study'" <ccielab@groupstudy.com>
> Sent: Wednesday, September 14, 2005 8:35 PM
> Subject: RE: EIGRP load balance
>
>
> > Actually only bandwidth and delay are used by default.
> >
> > Sh ip eigrp topology tells you about the routes, metrics and where
> > learned to help you decide!
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> > Of
> Arun
> > Arumuganainar
> > Sent: Wednesday, September 14, 2005 10:10 AM
> > To: Scott Morris; 'Ed Tan'; 'Group Study'
> > Subject: Re: EIGRP load balance
> >
> > There are two ways you can do the load balancing .
> >
> > 1) Un-equal cost load balancing ( done through variance )
> > 2) Equal cost load balancing ( You need not do any thing for this to
> > work
>
> > If metric is same this will be automatically turned on ) .
> >
> > How to tweak the metric to support load balancing ????
> >
> > One way I could think of is to use "bandwidth <kbps> " command on the
> > interface . This will certainly work for OSPF . But with EIGRP you
> > have other parameters as well besides bandwidth ( load , MTU etc ) .
> > You will have to give careful consideration if you are using these
> > values as well
> in
> > your EIGRP metric calculations.
> >
> > If every thing( I mean all the K values ) is left to default ,
> > tweaking
> the
> > bandwidth will definitely turn on the equal-cost load balancing .
> >
> > Hope this helps .
> >
> > Thanks and Regards
> > Arun
> > ----- Original Message -----
> > From: "Scott Morris" <swm@emanon.com>
> > To: "'Ed Tan'" <tytanx@gmail.com>; "'Group Study'"
> <ccielab@groupstudy.com>
> > Sent: Wednesday, September 14, 2005 6:37 PM
> > Subject: RE: EIGRP load balance
> >
> >
> > > So... Ask yourself some questions.
> > >
> > > 1. What does the variance command do?
> > > 2. If I understand what the variance command does, where do I find
> > > the information that it would use to influence its decisions?
> > > 3. Once this is found, you have the answer to what needs to change
> > > (and which direction) in order to make this work. Go to 'router
> > > eigrp 1' and
> > use
> > > the '?' command to assist in looking for things that will manipulate
> > > what you want to.
> > >
> > > Post your findings and reasons and we'll go from there!
> > >
> > > DocCD may assist as well.
> > >
> > > Scott
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> > > Of Ed Tan
> > > Sent: Wednesday, September 14, 2005 2:52 AM
> > > To: Group Study
> > > Subject: EIGRP load balance
> > >
> > > Hi group,
> > >
> > > I am just wondering is it anyway to configure EIGRP load balance
> > > without using "variance" command?
> > >
> > > TIA,
> > > Ed
> > >
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