Re: ospf summary doubt

Hi Rakesh,

Summary command summarises the redistributes routes and is used on ASBR to
sumaarise O IA route you use area 2 range command

Regards

On Tue, Jul 7, 2009 at 11:59 AM, rakesh m <raaki.88_at_gmail.com> wrote:

> hello group i have a doubt regarding ospf summaraisation
>
> here is my scenario
>
> i have one asbr which is redistributing networks
>
> 4.4.0.1--redistributing
> 4.4.1.1--redistributing
> 4.4.2.1--redistributing
> 4.4.3.1--redistributing
>
> and one network which is advertised into
>
> 4.4.4.4 --- area 2
>
> now i have summraised all the redistributed networks as
>
> 4.4.0.0 with sm of 255.255.255.252
>
>
> and here is the output in other ospf routers
>
> O IA 4.4.4.4/32 [110/139] via 131.1.12.2, 00:06:49, Serial0/0
> O E2 4.4.0.0/22 [110/20] via 131.1.12.2, 00:06:49, Serial0/0
>
> till now its fine perfectly valid
>
> my doubt is that
>
> when i change my summary address to 4.4.0.0 255.255.248.0 why is that
> 4.4.4.4 is still being advertised as an inter area router instead of
> external route ?
>
> O IA 4.4.4.4/32 [110/139] via 131.1.12.2, 00:06:49, Serial0/0
> O E2 4.4.0.0/22 [110/20] via 131.1.12.2, 00:06:49, Serial0/0
>
> does this mean routes which are advertised with network command takes more
> preference than externally summaraised routes ?
>
> Thank you
> Rakesh
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Received on Tue Jul 07 2009 - 12:33:04 ART