From: Frank (ocsic@web.de)
Date: Mon Sep 04 2006 - 09:10:11 ART
Hi all,
i have the following problem. The scenario is as follows:
I have 3 routers:
s0 e1 e0
O ----------R1-------------R2 (EIGRP)
S | | s1
P | |
F | | s1
---------- R3
s0
R1 and R3 have both one interface connected to an OSPF 0 area.
R2 is in an EIGRP AS with R1, R3
R3 is redistribution routes from OSPF to EIGRP and vica versa into the
same EIGRP domain R1 and R2 are.
With the "distance eigrp 90 109" on R1 i can change the distance for
external EIGRP (170) learned routes from
R3 via redistribution to 109, so that R1 will install these routes into
it's routing table and also let R2 install these
routes. If i don't change the distance on R1, R2 will not be able to see
any routex from the OSPF domain, because
R1 will not forward them to R2, when R1 learnes these routes from R3
because they have an AD of 170 as
external EIGRP routes.
So then i change the AD on R1 for learned external EIGRP routes with
"distance eigrp 90 109" and make the
AD lower than the OSPF distance. So now R1 has learnes the external
Routes over R3 and can forward them
also to R2.
But this is not the solution to the problem. Because R2 still is not
being able to connect to the R1 and R3 interface
which are in the OSPF area. This is because i only changed the distance
for learned routes via redistribution,
but not for the connected interface on R1. So R1 will not provide
information how to get to the interfaces in the
OSPF area itself. Is there a solution for this without changing
redistribution or setting up static routes?
Sorry, for the ascii art. I tried my best.
Frank
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