From: Joseph Brunner (joe@affirmedsystems.com)
Date: Wed Aug 15 2007 - 18:11:23 ART
"That is not advertising the routes in eigrp". The "network" command
determines on which interfaces we run eigrp on. Using the network command
with a non-existent interface for the purpose of later generating a summary
does not work.
You can get the constituent routes for creating the summary into eigrp via
-redistribution from another protocol, including static
-learned from an eigrp neighbor
-network command matching an up/up interface on the router.
-Joe
CCNA
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Cecil Wilson
Sent: Wednesday, August 15, 2007 3:43 PM
To: Narbik Kocharians; Julio Carrasco
Cc: ccielab@groupstudy.com
Subject: RE: Little question about EIGRP summary address
Do you mean advertisizing those routes in Eigrp?
Eg
Router eigrp 100
Net 10.10.10.1 0.0.0.0
Net 10.10.11.1 0.0.0.0
Net 10.10.12.1 0.0.0.0
Int e0/0
Summary eigrp 10.10.0.0 0.0.255.255
Cecil G. Wilson
IT Network Services
Office: (901) 215-2710
Cell: (901) 601-6201
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Narbik Kocharians
Sent: Wednesday, August 15, 2007 1:31 PM
To: Julio Carrasco
Subject: Re: Little question about EIGRP summary address
When ever you need to generate a summary route, those routes need to be
advertised in the specific routing protocol before a summary is
generated.
On 8/15/07, Julio Carrasco <julio.carrasco@ya.com> wrote:
>
> Hello Group,
>
> It4s necessary to configure a component of a summary route under the
> EIGRP proccess to announce the summary address ?, or it is just enough
> having a component of the sumary route in the routing table ?
>
> i.e.
>
> R1 s0/0-------------------------------- s0/0 R2 .2 -------10.0.0.0/24
> lan segment
> .1 1.1.1.0/24 network .2
>
> R2 config:
>
> interface s0/0
> ip address 1.1.1.2 255.255.255.0
> ip summary-address eigrp 10 10.0.0.0 255.0.0.0 !
> router eigrp 10
> network 1.1.1.2 0.0.0.0
> network 10.0.0.2 0.0.0.0 --> Do I need to add this to my config if I
> want
> R2
> to announce the summary route ??
> !
>
> Is this enough so R2 announces 10.0.0.0/8 network to R1,
>
> or do I need to configure a component of the 10.0.0.0/8 network unter
> the EIGRP 10 proccess ??
>
> TIA
> Julio
>
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--Narbik Kocharians
CCIE# 12410 (R&S, SP, Security)
CCSI# 30832
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