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

From: Xu, James (james.xu@xxxxxxx)
Date: Thu Feb 14 2002 - 15:58:30 GMT-3

   
The "sh ip rip database" command will show you the content of the rip
database, however, it is only available after 12.1 version. My guess is this
database still exists in the earlier IOS version, IOS just didn't offer the
command to let you view it.

James

-----Original Message-----
From: Lab Candidate [mailto:labccie@yahoo.com]
Sent: Thursday, February 14, 2002 1:48 PM
To: Xu, James; ccielab@groupstudy.com
Subject: Re: How route redistribution EXACTLY works --- need
confirmation

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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