From: Landon Fitts (l.fitts@xxxxxxxxxxxxxx)
Date: Fri Mar 15 2002 - 00:05:47 GMT-3
I was working on a mutual redistribution scenario today between OSPF and
IGRP, and a thought came to mind.
Here is my scecnario:
R1 ------------------ R2-------------------- R3
OSPF OSPF | IGRP IGRP
My OSPF domain has networks that are /30, /29, /28,and /24.
My IGRP domain has only /24 networks.
When I do mutual redistribution at R2 (and use distribute-list to prevent
route feedback) R1 sees all my IGRP networks, but IGRP only sees
my /24 networks from OSPF. So, to fix this I used the "IP Default-Network"
command at R3 pointing to a reachable loopback interface
in R2 that is part of my ospf domain. Now, everybody is happy and all
networks are reachable from each router.
Now, what I want to know is is "ip default-network" considered a static
route? If so, what are the other alternatives to gain reachability from R3
to my other networks that are part of OSPF domain. One other possible
solution could be to use secondary address between R2 and R3, but this isn't
scalable because I have several subnets in OSPF.
Regards,
Landon Fitts
NNCSE, NNCDE, CCNP, CCDP, CCIE Lab Candidate
l.fitts@mindspring.com
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