Re: Default route over ISDN

From: Carlos G Mendioroz (tron@xxxxxxxxxxx)
Date: Mon Jul 15 2002 - 21:53:28 GMT-3


   
Well,
as Mas suggested, putting a dialer string works, just tested it.

What I do not understand is your reason for making this an interface
route.
If what you want is that the route is hidden, I guess a floating static
is in order.

Yakout Esmat wrote:
>
> Carlos,
>
> It makes sense, but if I need to hide the default route from routing table,
> then I have to point to my local bri interface, otherwsie if I point to next
> hop it will be installed in my routing table.
>
> What you are saying is that if I point to my interface it doesn't work??
>
> -----Original Message-----
> From: Carlos G Mendioroz [mailto:tron@huapi.ba.ar]
> Sent: Tuesday, July 16, 2002 3:12 AM
> To: Yakout esmat
> Cc: Groupstudy
> Subject: Re: Default route over ISDN
>
> Yakout,
> when you send a packet to an interface (via ip route 0.0.0.0/0 int x)
> somehow the interface has to encapsulate it and send it.
>
> On DDR interfaces that also accounts for knowing where do you have to
> dial to. This is "solved" via maps iif you have a destination IP, but
> in your first case, you don't. Therefore, "encapsulation error".
>
> Does this make sense to you ?
>
> Yakout esmat wrote:
> >
> > Any body aware of this problem..
> >
> > Scenario:
> >
> > 10.1.1.1/24--[R1]------(192.168.1.0/24)-----[R2]----
> > ISDN
> >
> > 1) R2 is configured with a static default route
> >
> > Problem:
> >
> > 1) If the default static route on R2 is pointing to BRI0 interface "ip
> route
> > 0.0.0.0 0.0.0.0 bri0", R2 can't ping 10.1.1.1 on R1. Getting
> "encapsulation
> > failed" error when debuging ip packets, and R2 can't initiate a dial.
> >
> > 2) If I cahnge the default to point to next hop instead "ip route 0.0.0.0
> > 0.0.0.0 192.168.1.1", every thing is sweet
> >
> > IOS 12.1, legacy ISDN with single dialer map statement is used, IP
> classless
> > is on...
> >
> > I must be missing some thing.
> >
> > Thanks
> >
> > Yakout



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