From: Blaine Williams (williams.blaine@gmail.com)
Date: Sun Jun 03 2007 - 23:19:25 ART
Bear in mind that there is no double redistribution on the same
router. For example, let say you have OSPF and RIP running on a
router. OSPF is running on E0/1. RIP is running on E0/0. As part of
your OSPF configuration, you are redistributing connected into OSPF.
However, you are using a route-map to only redistribute your loopback
into OSPF. Here's the diagram:
(OSPF) E0/1----- R1 -----E0/0 (RIP)
|
Lo0
Now, when you redistribute RIP into OSPF, E0/0's network will not show
up in your OSPF domain. OSPF will pick up all of the routes from sh
ip route rip (step one from Brian's explanation). Then, it skips the
second step of bringing in the connected interfaces that RIP is
enabled on, because you are already redistributing connected.
Connected interfaces are only brought into a protocol once.
On 6/3/07, Bhaskar Sivanesan <bas_bharath@yahoo.com> wrote:
> HI
>
> When redistributing between any routing protocols(say OSPF and RIP here), I understand only OSPF routes present in the routing table gets redistributed into RIP and similarly only RIP routes present in the routing table will be redistributed into OSPF.
>
> Is this right??
>
> If it is, will the directly connected networks also be re-distributed automatically. I mean, suppose we have enabled OSPF on interface E0/0 with IP 1.1.1.1, then 1.1.1.0 will appear as directly connected in the ROUTING table. When we redistribute OSPF into another routing protocol, does it include 1.1.1.0 also in the redistribution?
>
> thanks
> Bhaskar
>
>
>
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