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Re: advertise EIGRP internal route as external posted 02/20/2007
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I think I was making it much more complicated than it really is...thanks,
Andre


On 2/20/07, Rahmlow, Howard F. <Howard.F.Rahmlow@xxxxxxxxxx> wrote:
>
> Redistribute connected
>
>
> Howard
> -----Original Message-----
> From: nobody@xxxxxxxxxxxxxx [mailto:nobody@xxxxxxxxxxxxxx] On Behalf Of
> Andre Serrao
> Sent: Tuesday, February 20, 2007 11:28 AM
> To: Narbik Kocharians
> Cc: Cisco certification
> Subject: Re: advertise EIGRP internal route as external
>
> "I am working on EIGRP and came across an issue that I can't resolve.
> How
> do
> you configure a device to advertise a prefix that is connected to
> another
> EIGRP neighbor as an External route? " by Jo Johnson on Jan 23.
>
> Dayo: Hopefully this will clarify what I meant about similar situations:
>
> Situation 1:"diagram"
> (1.1.1.0). --- R1 ----- R2 ------ R3
>
> (1.1.1.0) -- R1--- R2: OSPF process 1 area 0
> R2 - R3: OSPF process 2 area 0
> if in R2 you mutually redistribute OSPF 1 into 2, R3 would see network
> 1.1.1.0 as External
>
> Situation 2:"diagram"
> (1.1.1.0) -- R1 --- R2 ----R3
>
>
> (1.1.1.0) -- R1 --- R2: EIGRP AS 10
> R2 --- R3: EIGRP AS 20
> if in R2 you mutually redistribute between AS 10 and 20, R3 would see
> network 1.1.1.0 as External
>
>
> My question is if it's possible to have another way to configure these
> EIGRP
> routers so that R3 would receive network 1.1.1.0 as External without
> adding
> new secondary IP addresses?
>
> Thanks,
> Andre
>
>
>
> On 2/20/07, Narbik Kocharians <narbikk@xxxxxxxxx> wrote:
> >
> > Is it possible to repost the question?
> >
> >
> >
> > On 2/19/07, Andre Serrao <andreserrao@xxxxxxxxx> wrote:
> >
> > > That was not my idea..To be in the same AS number is one of the
> > > requirements
> > > > of EIGRP neighbor relationship. My solution is to have one router
> (R1)
> > >
> > > > configured with two ASs (10, 20). One AS (10) has to be the same
> as
> > > the
> > > > neighbor (R2). The route to be seen as external by that neighbor
> (R2)
> > > will
> > > > be in a different AS (20). In R1, you will have to redistribute
> > > between
> > > > eigrp 10 and eigrp 20.
> > > >
> > > > I saw some labs from vendors that use the technique of having  1
> OSPF
> > > > router with 2 processes and then redistributing between each
> process.
> > > I
> > > > think the same idea could be applied to EIGRP.
> > > >
> > > > On 2/19/07, dayo@xxxxxxxxxxxxx <dayo@xxxxxxxxxxxxx> wrote:
> > > > >
> > > > > do you think eigrp will see its neighbour if they are not
> configured
> > > to
> > > > > be in the same AS number
> > > > >
> > > > > On 2/19/07, Andre Serrao < andreserrao@xxxxxxxxx> wrote:
> > > > >
> > > > > > I am trying to catch up with the discussions of this group,
> and I
> > > came
> > > > > >
> > > > > > across this one (sent 1 month ago) which I believe it's still
> > > > > > unresolved.
> > > > > >
> > > > > > Although I like Bit Gossip's solution, I don't think it's the
> best
> > >
> > > > > > one,
> > > > > > specially if a question like that doesn't let you add any new
> IP
> > > > > > addresses
> > > > > > (same restriction as the real exam).
> > > > > >
> > > > > > My solution for this question would have the eigrp routers in
> > > > > > different AS
> > > > > > and then redistribute between them. However, that would only
> be
> > > > > > possible if
> > > > > > question DOES NOT specify that those routers have to be in the
> AS.
> > >
> > > > > >
> > > > > > Does anybody agree with this? And if the AS numbers have to be
> the
> > > > > > same, any
> > > > > > ideas how to solve it?
> > > > > >
> > > > > > Andre
> > > > > >
> > > > > >
> > > > > > On 1/23/07, Jo Johnson < groupstudyjo@xxxxxxxxx > wrote:
> > > > > > >
> > > > > > > Hi everyone,
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > I am working on EIGRP and came across an issue that I can't
> > > > > > resolve.  How
> > > > > > > do
> > > > > > > you configure a device to advertise a prefix that is
> connected
> > > to
> > > > > > another
> > > > > > > EIGRP neighbor as an External route?  With the configuration
> > > below,
> > > > > > the
> > > > > > > route continues to show up as internal with an AD of 90.  If
> I
> > > take
> > > > > > out
> > > > > > > the
> > > > > > > network statement for that prefix, my neighbor relationship
> goes
> > > > > > down and
> > > > > > > the route is advertised as external.  Neither solves my
> problem.
> > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > router eigrp 99
> > > > > > >
> > > > > > > redistribute connected metric 1 1 1 1 1 route-map EXTERNAL
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > route-map EXTERNAL permit 10
> > > > > > >
> > > > > > > match interface gig 0/0
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > Thanks,
> > > > > > >
> > > > > > > Jo
> > > > > > >
> > > > > > >
> > > > > >
> > >
> _______________________________________________________________________
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> > > > > >
> > >
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> _______________________________________________________________________
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> > >
> >
> >
> >
> > --
> > Narbik Kocharians
> > CCIE# 12410 (R&S, SP, Security)
> > CCSI# 30832
> > Network Learning, Inc. (CCIE class Instructor)
> > www.ccbootcamp.com (CCIE Training)
>
> _______________________________________________________________________
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