IGRP/OSPF Default Routes

From: Charles Wolfe (WOLFEC@xxxxxxxxxxxxxxxxxxxx)
Date: Tue Mar 28 2000 - 23:15:14 GMT-3


   
Ladies and Gentlemen,

 I have 4 routers connected in a row.

 Router 1 to Router 2 is running bgp and router 1 is sending a default 0/0 towa
rds 2.

Router 2 to Router 3 is runnnig ospf and using the "default-orignate" command t
o propogate a default route into ospf. I have also configured a loopback interf
ace, on Router 3, with a different class address to generate a default into IG
RP.

Router 3 to Router 4 is running IGRP. If I have the default-network configured
on router 3 a default route is injected into IGRP but I can no longer get out t
he BGP default. If I remove the default-network I can get out the BGP default
but IGRP no longer has a default.

Is there a work around to this problem. Also is it better to use a loopback to
generate the default into IGRP or should I redistribute one of the BGP routes t
o do this. My concern would be that if the BGP route goes away, I would lose my
 default into the IGRP domain.

Thanks
-Chuck



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