From: Erick B. (erickbe@xxxxxxxxx)
Date: Tue Jan 09 2001 - 03:55:05 GMT-3
Don't forget about classful (no ip classless) and
classless configuration globally. This effects the
forwarding decision...
--- Bill Dellamar <wdellamar@yahoo.com> wrote:
> Ronnie,
> What about longest match? I believe this is first.
> For example: a rip learned route with a 28 bit mask
> and a eigrp learned route with a 24 bit mask.
> rip: 10.1.1.1/28
> eigrp: 10.1.1.1/24
>
> Both routes will appear in the table even though
> eigrp
> has a lower admin distance.
> thoughts,
> Bill
>
> --- Ronnie Royston <RonnieR@globaldatasys.com>
> wrote:
> > Administrative Distance is what determines which
> > route is added to the route
> > table if multiple sources of routes are seen by
> the
> > router. Once the
> > routing protocol with the lowest administrative
> > distance has been chosen,
> > then multiple paths to a specific network may
> exist.
> >
> >
> > You can influence how many routes to a specific
> > destination network show up
> > in your route table by using the 'maximum paths'
> > command under IGRP, EIGRP,
> > RIP, and OSPF. IGRP and EIGRP have, in addition,
> a
> > 'variance' command that
> > affords you the ability to tell the router to load
> > balance over unequal cost
> > paths.
> >
> > BGP is complicated with respect to getting routes
> to
> > show up in the route
> > table. That's a different thread all together.
> >
> > I hope that helps you. Good luck!
> >
> > -----Original Message-----
> > From: David M Anderson [mailto:dma@cisco.com]
> > Sent: Monday, January 08, 2001 11:34 AM
> > To: ccielab@groupstudy.com
> > Subject: routing table question
> >
> >
> > I thought I would include a subject line this
> > time...
> > >Date: Mon, 08 Jan 2001 11:32:27 -0800
> > >To: ccielab@groupstudy.com
> > >From: David M Anderson <dma@cisco.com>
> > >
> > >I have a real simple question that I just don't
> > seem to see the answer to.
> > In which order are routes added to a routing
> table?
> > I have tried to see if
> > it is metrics, routing protocol, order
> > learned.....etc. It seems to be the
> > order learned, but I am not sure about that. Can
> > anyone clarify?
> > >
> > >Thanks,
> > >David
> >
> > David Anderson
> > Lab Engineer
> > (408) 853-5515
> > dma@cisco.com
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