Re: EIGRP

From: lalit gupta (lalit.tech@gmail.com)
Date: Sat Sep 08 2007 - 11:53:54 ART


Hey Joseph,

what if stub router itself has stub neighbors ? Will it query hub router for
route lost to stub neighbor ?

thanks

On 9/8/07, Joseph Saad <joseph.samir.saad@gmail.com> wrote:
>
> It is not sensible to configure a hub router as an EIGRP stub router in
> the
> first place. It is meant to be configured on spokes.
>
> I don't see a reason that would require a hub router to be configured as
> an
> EIGRP stub.
>
>
>
> On 9/8/07, lalit gupta <lalit.tech@gmail.com> wrote:
> >
> > HI Nitin,
> >
> > I have lab it up and found that stub does query to hub... This question
> > seems interesting...
> >
> >
> > Rack1R1#debug eigrp packets query
> > EIGRP Packets debugging is on
> > (QUERY)
> > Rack1R6#
> > *Sep 8 18:56:58.463: EIGRP: Received QUERY on FastEthernet1/1.68 nbr
> > 4.4.68.10
> > *Sep 8 18:56:58.467: AS 10, Flags 0x0, Seq 133/0 idbQ 0/0 iidbQ
> un/rely
> > 0/0 peerQ un/rely 0/0
> >
> > After making downstream neighbor stub still the results are same
> >
> > Rack1R1#
> > *Sep 8 18:59:02.095: EIGRP: Received QUERY on FastEthernet1/1.68 nbr
> > 4.4.68.10
> > *Sep 8 18:59:02.099: AS 10, Flags 0x0, Seq 145/56 idbQ 0/0 iidbQ
> > un/rely
> > 0/0 peerQ un/rely 0/0
> >
> > If stub has multiple routers attached ..... and if it does query to hub
> > for
> > lost routes then i really dont understand the purpose of making stub
> > network
> > in eigrp...
> >
> > Can some one test this topology and reply , What is the purpose of stub
> > router if it has multiple neighbors as stub ?
> >
> >
> >
> > thanks
> > lalit
> >
> >
> >
> > On 9/8/07, NITIN NITIN <ccie_study_123@yahoo.com> wrote:
> > >
> > > Hi ,
> > >
> > > I have a querry , if I have
> > >
> > >
> > > R1 ---- R2 ( EIGRP STUB) ---R3
> > >
> > > As per my knowledge R1 doesn't send querry to R2 for Lost routes.
> > >
> > > if R3 loopback goes down and R2 is eigrp stub , will R2 send querry
> to
> > > R1 for this
> > >
> > >
> > >
> > >
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