From: Jay Greenberg (groupstudylist@execulink.com)
Date: Sun Dec 29 2002 - 11:24:45 GMT-3
Have you ever used this method 3? I tried it and it did not work. I
was under the impression that for a route to be redistributed, it had to
exist in the routing table. i.e., if a ospf 1 route is redistributed
into ospf 2, the ospf 1 route is still the route in the routing table.
Therefore, no ospf 2 routes can be further redistributed on that router.
Is this correct or am I missing something?
On Sun, 2002-12-29 at 04:04, kym blair wrote:
> Jay and Yong,
>
> When you are doing mutual redistribution between OSPF and RIP, there are
> several ways to get the OSPF routes into RIP:
>
> (1) Use RIP version 2
>
> (2) Create a /30 secondary address on the R2-R3 link so R3 will learn the
> /24 AND /30 routes (repeat for other masks)
>
> (3) Create a tunnel between R2 and R3 with a /30 mask (repeat for other
> masks)
>
> (4) My favorite if you can't use RIPv2: Create another OSPF process on R2;
> redistribute OSPF 1 into OSPF 2; add summary-address statements under OSPF
> 2; redistribute OSPF 1 and OSPF 2 into RIP.
>
> HTH, Kym
>
>
>
>
>
>
>
> >From: @L?k?l <dragain@samsung.com>
> >Reply-To: @L?k?l <dragain@samsung.com>
> >CC: ccielab@groupstudy.com
> >Subject: Re: RIP to OSPF redistribution
> >Date: Sat, 28 Dec 2002 22:21:55 +0900
> >
> >I have a similar question.
> >If R2 don't have some area about 140.100.2.0/24
> >I think R1 also don't have "140.100.2.0/24" route.
> >How can R1 have route of "140.100.2.0/24"
> >
> >
> >
> >------- ?x:; 8^<<Av -------
> > :83=;g6w : Jay Greenberg <groupstudylist@execulink.com>
> > 3/ B% : 20023b 12?y 28@O 16=C 06:P
> > A& 8q : RIP to OSPF redistribution
> >
> >I'm sure this question has been asked a million times, but the archives
> >aren't giving me the answer I'm looking for. How do you summarize OSPF
> >type 3 LSAs into RIP when there is no ABR to summarize on?
> >
> >R1-----(ospf)-----R2------(rip)------R3
> >
> >R1 - R2 is subnet 140.100.1.0/30
> >R2 - R3 is subnet 140.100.2.0/24
> >
> >How can R3 learn about 140.100.1.0/30 without using static routes?
> >There is no ABR to use "area range", and there is no inbound ASBR to use
> >ospf "summary-address", nor are these type 5/7 LSAs.
> >
> >Answers I've heard so far are:
> >
> >"use the ip summary-address rip" command on R2, but I tried that in the
> >lab and nothing happened. Maybe I was doing something wrong?
> >
> >"use a default-network" on R2, and I have used this in a practice lab,
> >and it worked, but I'm worried that a real lab won't allow default
> >routes.
> >
> >Any comments would be greatly appreciated.
> >.
> >.
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