From: Jim Brown (Jim.Brown@xxxxxxxxxxxxx)
Date: Tue Aug 21 2001 - 17:03:50 GMT-3
Inject a default route into IGRP with the default network command. This
doesn't create a static route if you specify a classful network.
It is the only way I know of to provide connectivity to routes with shorter
prefixes than in the IGRP domain *** without using static routes***. Last
statement to reduce noise and feedback from post.
Try this using 172.16.32.0 as the default network and 172.16.0.0 as the
default network or whatever major network you have in the OSPF domain.
Of course the network you specify must be in the routing table, they key is
using the full class. Try it and note the difference.
-----Original Message-----
From: Dietmar Gaar [mailto:strongbow71@gmx.at]
Sent: Tuesday, August 21, 2001 1:31 PM
To: ccielab@groupstudy.com
Subject: tricky Redistribution OSPF --> IGRP
Hi,
I have a question about following Scenario:
My workgroup contain 5 Routers and have a B-Class Adress Space available
with Prefixes start with /22 up to /29 configured - 3 Router running OSPF,
2 * IGRP - there is only one Connection between the different Routing
Protocols.
This Router is OSPF & IGRP running and OSPF is redistributed into IGRP.
The mask of the outgoing Interface to the other IGRP Router is /24, therfore
all Prefixes with the same lenght will corectly appear in the Routingtable
of the only IGRP running Router.
Some lenghter Prefixes I can summary with OSPF - no Problem.
But what can I do with directly connected Networks they don4t have an /24
Prefix ?
There works no OSPF Summary.
And the second Problem are the shorter Prefixes - I can4t slice them...
I4am searching only for possibilities without static Routes - are there any
?
Thanks for your Time,
Dietmar
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