RE: EIGRP: traffic-share min across-interfaces

There also is not path recalcuation when the change occurs so it saves
system resources as well. It is good for that reason but why not load
balance when you can :)

Regards,
 
Tyson Scott - CCIE #13513 R&S, Security, and SP

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
Steve Di Bias
Sent: Sunday, March 27, 2011 9:01 PM
To: Jacek
Cc: Cisco certification
Subject: Re: EIGRP: traffic-share min across-interfaces

Convergence is already lightning fast when feasible successors exist in the
topology table, so I don't think this command saves very much time in the
long run. If I had to guess I'd say it was invented to speed up the
convergence time by some miniscule amount of time, I just don't know why.

On Sun, Mar 27, 2011 at 7:44 PM, Jacek <q.192.168.1.0_at_gmail.com> wrote:

> Hello Experts,
>
> What is the purpose of EIGRP configuration command:
> traffic-share min across-interfaces
>
> If I understand correctly:
> If both "variance x" and "traffic-share min" are configured, both routes
> (slower and faster) will be installed in the routing table but only faster
> route will be used. In theory at least the recovery will be faster. The
> reason is that backup route is already in the routing table and will not
> have to be inserted in routing table if primary goes down. In other words,
> feasible successor will not have to be "moved" from topology table into
> routing table.
>
> But in real world how much time does it take to install a route in the
> routing table? Just keep in mind that there is no calculations, queries
> etc.
> A microsecond, millisecond ?
>
> Just wondering if Cisco invented this command to save very little on
> recovery time or is there something else behind it ?
>
>
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-- 
-Steve Di Bias
Blogs and organic groups at http://www.ccie.net