Re: How route redistribution EXACTLY works --- need confirmation

From: Lab Candidate (labccie@xxxxxxxxx)
Date: Thu Feb 14 2002 - 15:48:06 GMT-3

   
James,

I don't think there's such a thing as RIP route database.
The RIP process will pick up routes directly from the
routing table, whereas ospf picks from its database. 

---

--- "Xu, James" <james.xu@eds.com> wrote:
> All:
>
> It has been and still puzzling me how a routing process pick routes and
> redistribute them into another routing process and vice versa? As an
> example, mutual redistribution between RIP and OSPF in a router:
>
> Here is my experience and explanation:
>
> 1). The RIP process picks all RIP routes inside its database, and
> redistributes these routes into OSPF routing process.
> 2). OSPF process picks all OSPF routes in the OSPF database, and
> redistributes these routes into RIP routing process.
>
> During the redistribution, the split-horizon rule appies, meaning the newly
> redistributed routes from RIP into OSPF will not be redistributed back into
> RIP right away, and vice versa.
>
> Any input are appreciated, especially some links for this mechnism.
>
> James

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