From: beda jain (bpjain@cisco.com)
Date: Thu Sep 12 2002 - 14:55:51 GMT-3
Hi,
Are all these loopback address is cover by eigrp network comand. I mean
make sure that eigrp is running in all these loopback address or these
address should be as eigrp route from other router. If not then you need
redistribute
connected .
Thanks,
Beda
At 02:16 PM 9/11/2002 -0600, Young K. Bae wrote:
>...I don't know what I was thinking. I forgot the most fundamental rule of
>checking my routing table to see if they are in there to begin with. That
>explains why the "redistribute connected" caused the router to advertise.
>
>Sorry for the bonehead question!
>
>Young
>
> > -----Original Message-----
> > From: Eric Hoffman [mailto:Ehoffman@comproinc.com]
> > Sent: Wednesday, September 11, 2002 2:10 PM
> > To: 'Young K. Bae'
> > Cc: 'ccielab@groupstudy.com'
> > Subject: RE: An EIGRP Summary-Address not advertised to neighbors
> >
> >
> > Hi Young,
> >
> > I believe that you have to have that route in the routing
> > table, before the
> > summarization will take place.
> >
> > Here is some text from the documentation, that leads me to
> > think this way:
> > If there are any more specific routes in the routing table,
> > IP Enhanced IGRP
> > will advertise the summary address out the interface with a
> > metric equal to
> > the minimum of all more specific routes.
> >
> > If you take out the redistribution command, what happens when
> > you add those
> > network statements under the eigrp process?
> >
> >
> >
> > -----Original Message-----
> > From: Young K. Bae [mailto:ybae@cisco.com]
> > Sent: Wednesday, September 11, 2002 3:52 PM
> > To: 'Desimone, Aurelio'; ccielab@groupstudy.com
> > Subject: RE: An EIGRP Summary-Address not advertised to neighbors
> >
> >
> > I have those both commands in and the AS number used is 1.
> >
> > What strange is... As soon as I entered "redistribute
> > connected" under the
> > EIGRP routing process, the summary-route is advertised to its
> > neighbors.
> >
> > Young
> >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com
>[mailto:nobody@groupstudy.com]On Behalf Of
> > Desimone, Aurelio
> > Sent: Wednesday, September 11, 2002 1:20 PM
> > To: 'Young K. Bae'; ccielab@groupstudy.com
> > Subject: RE: An EIGRP Summary-Address not advertised to neighbors
> >
> >
> > Do you have 'ip subnet-zero' in global config and 'no
> > auto-summary' in eigrp
> > config?
> >
> > -----Original Message-----
> > From: Young K. Bae [mailto:ybae@cisco.com]
> > Sent: Wednesday, September 11, 2002 1:51 PM
> > To: ccielab@groupstudy.com
> > Subject: An EIGRP Summary-Address not advertised to neighbors
> >
> >
> > Hello,
> >
> > There are three loopbacks on R2 with addresses 172.16.1.1,
> > 172.16.2.1, and
> > 172.16.3.1, with a mask of /24. I have a summary-address
> > configured on both
> > R2's interfaces, a serial connection to R1 and an Ethernet
> > connection to R3
> > and R4, with a statement 'ip summary-address eigrp 1 172.16.0.0
> > 255.255.252.0'. The R2 router sees all other routers as
> > neighbors, but it's
> > not advertising the /22 summary route to its neighbors. What could be
> > wrong? Please let me know if you need more info.
> >
> > R1 ----- R2
> > |
> > |
> > R3 |------------| R4
> >
> > Thanks in advance,
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