RE: OSPF filtering

Ivan,

It is definitely a design consideration that would solve your problems.

Regards,
 
Tyson Scott - CCIE #13513 R&S, Security, and SP
Technical Instructor - IPexpert, Inc.
Mailto: tscott_at_ipexpert.com
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-----Original Message-----
From: Ivan Hrvatska [mailto:ivanzghr_at_gmail.com]
Sent: Monday, January 25, 2010 3:24 AM
To: Tyson Scott
Cc: Marko Milivojevic; Narbik Kocharians; Cisco certification
Subject: Re: OSPF filtering

Customer who owns the network I am using as transit network wants that
area 212 is stub. Probably he doesn't want any external networks to be
redistributed into OSPF domain.

On Sat, Jan 23, 2010 at 4:46 PM, Tyson Scott <tscott_at_ipexpert.com> wrote:
> 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.
> Mailto: tscott_at_ipexpert.com
> Telephone: +1.810.326.1444, ext. 208
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> eFax: +1.810.454.0130
>
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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 Mon Jan 25 2010 - 09:01:55 ART