From: Omer Ansari (omer@ansari.com)
Date: Wed Sep 18 2002 - 17:54:53 GMT-3
Peng,
allow me correct myself. the tunnel would have a destination pointing to a
route learnt via R3, not on the e0 address on R3. [perhaps you could
monitor the R1-R3 network]
when the route vanishes from r2's routing table, the tunnel would go down.
the speed with which this would happen will be directly proportional to
the convergence speed of the RP in question.
Omer
On Wed, 18 Sep 2002, Omer Ansari wrote:
> Create a tunnel interface on R2 with R3's e0 ip address as destination
> (and r2's e0 as source)
>
> then run backup interface br0/0 on the tunnel If.
>
> the tunnel would go down when R3's e0 would go down, triggering your
> backup interface.
>
> a wizard called Carlos Mendioroz came up with this some time ago so i
> cannot take the accolade.
>
> Omer
>
> On Wed, 18 Sep 2002, Peng Zheng wrote:
>
> > Actually, they are connected through switch. Then,
> > what's the solution?
> >
> > --- Prakash H Somani <pdsccie@rediffmail.com> wrote:
> > > Hi,
> > >
> > > I think I can agree with you partially. R2 will dial
> > > i.e BRI will
> > > come in spoofing mode from standby if R3 e0 goes
> > > down only if
> > > those two routers are directly connected. If those
> > > are connected
> > > through switch...then it will not work....
> > >
> > > Regards....Prakash
> > >
> > > On Wed, 18 Sep 2002 Peng Zheng wrote :
> > > >Hi,
> > > >
> > > >R1(bri 0)-----(bri 0)R2(e0)---(e0)R3
> > > > (e1)|________________________|(e1)
> > > >
> > > >IGRP is run on all three routers.
> > > >
> > > >Requirement:
> > > >
> > > >1) R2 only dials R1 when the e0 to R3 is
> > > disconnected.
> > > >2) Snapshot and dialer watch can not be used.
> > > >
> > > >
> > > >I think I should use backup interface under e0 of
> > > R2.
> > > >
> > > >Is it right?
> > > >
> > > >If so, How should I configure the dialer-list?
> > > >
> > > >And because two numbers are used. R2 need to dial
> > > >second if it can not connect to R1.
> > > >
> > > >if:
> > > >
> > > >dialer map ip 1.1.1.1 name r1 broadcast number1
> > > >dialer map ip 1.1.1.1 name r1 broadcast number2
> > > >
> > > >is OK?
> > > >
> > > >
> > > >Thank you for help.
> > > >
> > > >Best Wishes,
> > > >Peng Zheng
> > > >
> > > >
> > > >
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