Re: OSPF area range command - seeing summary and specific

From: Sundar Palaniappan (sundarp@gmail.com)
Date: Wed Mar 09 2005 - 12:33:37 GMT-3


Dillon,

Awesome, that was it!

Just noticed, router-id for the more specific route was R4 and not R2.
Missed the fact R4 is ABR too because of virtual-link. Summarized on
R4 as well and all is well now!

Can't afford to relax even for a moment in the lab, I guess.

Thanks,
Sundar Palaniappan

On Wed, 9 Mar 2005 23:13:00 +0800, Dillon Yang <gzdillon@hotmail.com> wrote:
> Hi, Sundar:
>
> Remember, the R4 is ABR too. So it can advertise the specific routes!
> Do same thing on R4 as R5.
> HTH
> dillon
>
> ----- Original Message -----
> From: "Sundar Palaniappan" <sundarp@gmail.com>
> To: <ccielab@groupstudy.com>
> Sent: Wednesday, March 09, 2005 11:04 PM
> Subject: OSPF area range command - seeing summary and specific routes
>
> > Guys,
> >
> > My scenario is this.
> >
> > R1 s0 - Area 0 (192.168.1.0/24) - s0 R2 e0 - Area 5 (192.168.8.0/24) -
> > e0 R3 s0 - area 5 (192.168.9.0/24) - S0 R4 E0 - area 7 (10.1.1.0/24)
> >
> > My config on R2 (ABR) is:
> >
> > router ospf 1
> > router-id 150.50.2.2
> > net 192.168.1.0 0.0.0.255 area 0
> > net 192.168.8.0 0.0.0.255 area 5
> > area 5 virtual-link 150.50.4.4
> > area 5 range 192.168.8.0 255.255.254.0
> >
> > I am summarizing area 5 networks on R2 (ABR). On R1 I see route for
> > both the summarized range 192.168.8.0/23 and the more specific
> > networks 192.168.8.0/24 & 192.168.9.0/24.
> >
> > I thought the summarized subnets should be suppressed and that's not
> > happening. Am I missing something here :)
> >
> > TIA,
> > Sundar Palaniappan
> >
> > _______________________________________________________________________
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