From: CCIEin2006 (ciscocciein2006@gmail.com)
Date: Wed Jun 28 2006 - 15:19:34 ART
No one wants to take a stab? I figured the question might be a little
junior-level...
On 6/28/06, CCIEin2006 <ciscocciein2006@gmail.com> wrote:
>
> Hey guys,
>
> I was wondering if anyone could confirm my understanding of link state
> routing. In the following scenario:
>
> RTRA----RTRB----RTRC----RTRD----10.1.1.0
>
> For RTRA to enter 10.1.1.0 in its routing table it does the following:
>
> 1. Looks in its link state database for 10.1.1.0.
> 2. Finds 10.1.1.0 is connected to RTRD.
> 3. Does a recursive lookup to find where RTRD is connected.
> 4. Finds RTRD is connected to RTRC.
> 5. Does a recursive lookup to find where RTRC is connected.
> 6. Finds RTRC is connected to RTRB.
> 7. Does a recursive lookup to find where RTRB is connected.
> 8. Finds RTRB is directly connected to Ethernet0.
> 9. Adds 10.1.1.0 with next hop to RTRB out Ethernet0.
>
> If using a distance vector proctocol on the other hand:
> 1. RTRA learns 10.1.1.0 from RTRB. It doesn't care about anything beyond
> RTRB.
> 2. Finds RTRB is directly connected to Ethernet0.
> 3. Adds 10.1.1.0 with next hop to RTRB out Ethernet0.
>
> Is my thinking correct here?
>
> Thanks in advance.
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