From: Mahmud, Yasser (YMahmud@Solutions.UK.ATT.com)
Date: Sun Dec 29 2002 - 17:20:11 GMT-3
Jay,
I haven't tried it yet but did you create the summary address.
My understanding on point 4 is that ospf 1 routes are redistributed in to
ospf 2 so these redistributed ospf 1 routes can't be further redistributed
in to rip but when you create a summary route on ospf 2 and as this is
generated locally so you should be able to redistribute it into rip
Yasser
> -----Original Message-----
> From: Jay Greenberg [SMTP:groupstudylist@execulink.com]
> Sent: Sunday, December 29, 2002 2:25 PM
> To: kym blair
> Cc: dragain@samsung.com; ccielab@groupstudy.com
> Subject: Re: RIP to OSPF redistribution
>
> 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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