Fatkid lab 502 ,expert redistribution

From: Mohamed Heeba (MAHeeba@xxxxxxxxxxx)
Date: Fri May 11 2001 - 15:45:16 GMT-3

   
guys ;
i have a problem here which is similar to some post was here very soon...
it is regarding the redist of the OSPF into the IGRP ,here is my notes and
questions
the case is :
the ospf is having different masks of the network 135.1.x.x ,the masks are
/22
,/24,28 while the IGRP is only 24
now i didnt get a clear answer about this question
1-does the summary address of the OSPF used to summarize the OSPF domain to
other protocols or it is ONLY used to summarize the other protocols domains
into the OSPF ??
i noticed that the summary address will NOT work until u redist IGRP into
the ospf process even before u redist the OSPF into the IGRP

2- how to redist the mask 22 in the IGRP ? it is not normal to summarize
this mask at the 24 boundary (i know this can be done to solve the lab ) but
the problem is that the OSPF will create a static route to the null0 in the
redist router and this will take all the traffic to null0 (since 24 is more
specific than the 22 in teh routing table

3- is the solution for this problem by using the area range command
somewhere in teh OSPF domain

4-can someone define how the route feedback can heppen ?? becaue when i
tried to filter in the ospf domain the routes (to accept those only coming
from OSPF and not IGRP ,)teh summary disappeared from the route table as if
it is coming from the IGRP
i want to understand this point "is the route feedback means that the
routes goes inside the domain to downstream routers and then come back ,or
it is only comes back on the redistribution router "

i hope someone is patient to answer all this :)
thx
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