RE: Redistribution & Summarization Behaviour in EIGRP & OSPF

From: sam (sam@avtechusa.com)
Date: Fri Feb 07 2003 - 13:24:37 GMT-3


Forgive me, I am confused but will this be in any way affected if you do
a

'passive interface e1' within EIGRP on router B?

Sam Sena
4500 New Brunswick Ave
Piscataway NJ
(732) 424-8008 (o)
(732) 424-7388 (f)
 

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Brown, Patrick (NSOC-OCF}
Sent: Friday, February 07, 2003 8:11 AM
To: rionaldi@cbn.net.id; ccielab@groupstudy.com
Subject: RE: Redistribution & Summarization Behaviour in EIGRP & OSPF

Put the ip summary-address eigrp 1 192.168.1.0 255.255.255.0 on
interface e1 of router B. Do redistribution, and

this should work for EIGRP.

Tx,

Patrick

-----Original Message-----
From: rionaldi@cbn.net.id [mailto:rionaldi@cbn.net.id]
Sent: Friday, February 07, 2003 5:04 AM
To: ccielab@groupstudy.com
Subject: Redistribution & Summarization Behaviour in EIGRP & OSPF

Dear All,

3 routers

Router A (e0) ----------------- (e0) Router B (e1) --------------------
Router C

Router A running EIGRP
Router B running EIGRP and OSPF
Router C running OSPF

There are many routes for EIGRP domain with the same major network: let
say
192.168.1.0

Mutual redistribution happens in Router B, I am being asked to do
summarization in router B so router C only see one route 192.168.1.0/24
in
their OSPF route.

I fail to do this with this way:
I tried to summerize th EIGRP in Router B e0 using Ip
summary-address.... and
I do redistribution in router B.

The only way that works it to do summarization in router B under OSPF..
so I
put

router ospf 100
summary-address 192.168.1.0 255.255.255.0

My question:
1. Why this behaviour happen?
2. Does summarization process only happen for the routes that leaving
the
router/outgoing routes? Can it be implemented for incoming routes
.
.
.



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