RE: OSPF filtering

From: Tyson Scott <tscott_at_ipexpert.com>
Date: Sat, 23 Jan 2010 10:46:43 -0500

Ivan,

Does it have to remain specifically a stub or can it be a NSSA? As I
mentioned earlier creating two processes as NSSA's would definitely do the
trick.

ABR2 and ABR3

router ospf 1
 area 212 nssa
 network x.x.x.x 0.0.0.0 area 0
 network y.y.y.y 0.0.0.0 area 212

ABR1 and ABR4

router ospf 1
 area 212 nssa
 network y.y.y.y 0.0.0.0 area 212
 redistribute ospf 2 subnets metric-type 1 metric 10
router ospf 2
 area 212 nssa
 network z.z.z.z 0.0.0.0 area 212
 redistribute ospf 1 subnets metric-type 1 metric 100000

You would then need to test between sites.

HTH

Regards,
 
Tyson Scott - CCIE #13513 R&S, Security, and SP
Technical Instructor - IPexpert, Inc.
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-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of Ivan
Hrvatska
Sent: Saturday, January 23, 2010 8:38 AM
To: Marko Milivojevic
Cc: Narbik Kocharians; Cisco certification
Subject: Re: OSPF filtering

Hmmm....diagram is something like this:

(Area 212) ABR1 ------------------ ABR2 (Area 0) ABR3
-------------------ABR4 (Area 212)
Location 1 *
                      Location 2
             * *
                                *
               * *
                               *
                 * *
                             *
                   * *
                           *
                     * *
                         *
                       ********************** ABR 4 (area 212)**************

where * is backup link and ---- should be primary.
Between Area0 and location 2 is another area so connection to area0 is
through GRE. Area 212 is stub.

On Sat, Jan 23, 2010 at 11:51 AM, Marko Milivojevic <markom_at_ipexpert.com>
wrote:
> On Sat, Jan 23, 2010 at 10:27, Ivan Hrvatska <ivanzghr_at_gmail.com> wrote:
>> I sent diagram in attachment as jpg pic. Is it visible?
>
> GS doesn't do attachments, hence all the ASCII art we see from time to
time :-)
>
> --
> Marko Milivojevic - CCIE #18427
> Senior Technical Instructor - IPexpert
>
> Mailto: markom_at_ipexpert.com
> Telephone: +1.810.326.1444
> Fax: +1.810.454.0130
> Community: http://www.ipexpert.com/communities

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Received on Sat Jan 23 2010 - 10:46:43 ART

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