Re: OSPF Learned Routes

Again, furthermore, if R3 doesn't run BGP, how can it have BGP route?

2009/5/6 Jordan <zdh1207_at_gmail.com>

> Dear,AD is effective locally. If you want R3 has BGP route, you should
> change AD at R3,too.
>
> best regards.
>
> 2009/5/6 Joe Astorino <joe_astorino_at_comcast.net>
>
> I have a quick question on something I never particuarly noticed before.
>>
>> Assume you have R1, and R2. They peer via iBGP as well as OSPF. R2 also
>> peers up with R3 via OSPF only. On R2 you have set the AD for iBGP routes to
>> 50 so they are preferred over OSPF.
>>
>> However, even though you have routes on R2 learned via R1 through iBGP in
>> the routing table with AD 50, R3 still has the routes learned from R2 as
>> OSPF routes.
>>
>> This sort of confused me because they are not OSPF routes on R2 but are
>> still being advertised to R3 in OSPF. The only thing I am thinking is that
>> even though they are not OSPF routes on R2, it still passes the LSAs to R3
>> and R3 still runs SPF and puts the routes in the routing table.
>>
>> Can anybody verify what is happening there?
>>
>>
>>
>> "He not busy being born is busy dying" -- Dylan
>>
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Received on Wed May 06 2009 - 10:23:36 ART