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

From: Nicholas Jaksec (jaksec@xxxxxxxxxx)
Date: Fri Feb 16 2001 - 16:54:06 GMT-3


   
First of all verify that when redistributing OSPF into IGRP that you are
setting the metrics properly via the "Default Metric" command. Once OSPF is
redistributed into IGRP on Router B pick that network as your default
network using the global "IP Default Network" command on Router A -- make
sure you use the classful boundary. Then on Router B make sure you are using
"IP Classless".

********************************************
Nicholas R. Jaksec, CCNP, CCDP, MCSE+I, CNA
Network Systems Engineer
Lucent Worldwide Services
One North Shore Center
12 Federal St. Suite 420
Pittsburgh, Pa 15212
Office: 412-330-6336 Fax: 412-323-7665
Pager: 1-800-467-1467
Email: jaksec@lucent.com

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Timur_Mirza@Notes.airtouch.com
Sent: Friday, February 16, 2001 2:34 PM
To: ccielab@groupstudy.com
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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