Re: a real tricky problem w/ default route in igrp!!

From: Johnny Dedon (johnny.dedon@xxxxxxxxxx)
Date: Fri Feb 16 2001 - 17:08:02 GMT-3


   
the only way I know to do this is to put statement on RTR A ip default
network x.x.x.x where x.x.x.x is a classful network not already seen on
router b. This route will get propagated to B and be shown as gateway of
last resort in routing table.

Johnny Dedon
Senior Staff Consultant
Exodus Professional Services
johnny.dedon@exodus.net
www.exodus.net
----- Original Message -----
From: <Timur_Mirza@Notes.airtouch.com>
To: <ccielab@groupstudy.com>
Sent: Friday, February 16, 2001 1:33 PM
Subject: a real tricky problem w/ default route in igrp!!

>
>
> router A is an ospf/igrp router serially connected to router B, which is
igrp
> only
>
> question: how can router A feed a default route to router B (since igrp is
> classful, i cannot see
> all the vlsm, non-/24 routes on router B)
>
> now the trick is to feed a default route w/o using the following:
>
> 1) don't configure anything on router B
> 2) on router A, do not create any new networks
> 3) on router A, don't configure any default route on router A
>
> i originated a default route on an ospf only router & i could see a
gateway of
> last resort on router A,
> but it was NOT being passed to router B
>
> next, on an ospf router & also on router A, i tried configuring an ip
> default-network of a class B
> network that an ospf asbr learned as an external type II route...again, I
could
> see a gateway of
> last resort on router A, but it was NOT being passed to router B!!!
>
> lastly, on router A, i have tried to redistribute a default route into
IGRP (via
> a route-map), but
> it still is NOT being passed to router B - i have almost given up!
>
> anybody got any answers? timur
>
>



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