From: Mohamed Heeba (MAHeeba@xxxxxxxxxxx)
Date: Sat May 12 2001 - 08:04:07 GMT-3
guys ;
i have reached a conculation about the problem of the OSPF and summarization
/redistribution and wanted to share it with you who are interested .
i have revised Doyles chapter of redistribution ,there is an example of
redistributing RIP into IS-IS and at the end of this chapter ,(RIP is /24
and ISIS is /24 and /28 )
CLEARLY ,he NEVER use the command summary-address to summarize the ISIS
routes to the RIP and clearly also mentioned that ISIS /28 routes should be
summarized to RIP by using STATIC ROUTES !!!!.
so the point is the summary command should only be used to summarize
extrenal routes INTO ISIS or OSPF .but our problem is that we were trying to
go around this problem to avoid the use of static routes ,while in fact it
is an easy way to solve this problem.
going around the problem can may be done by a command like ip
default-network ,but this will require the major class network to be
different in both domains.
well...i guess in the real lab there should be way to avoid using the
summary address in opposite way and create more problems ....or they may
allow to use just single static route somewhere :))))))
hope someone can comment on this
Mohamed
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