From: Peter Van Oene (pvo@xxxxxxxxxxxx)
Date: Tue Aug 28 2001 - 10:02:12 GMT-3
I don't believe you can summarize type 5's with the area range command. Type 5
's are designed to flow unmodified throughout the OSPF domain.
Pete
*********** REPLY SEPARATOR ***********
On 8/28/2001 at 8:16 AM Nigel Taylor wrote:
>Voytek,
>
> The problem here is that NSSA area does not accept type 5
>LSa's. In this scenario R3 is the NSSA ABR, and R4 is the NSSA ASBR.
>Since
>you already redistributed connected the loopback on R1 possibly to meet a
>requirement, then you can look at using the "area 1 range" command which
>would generate a type 3. LSA(network summary) allowing those routes to get
>through to the NSSA area and to IGRP.
>
>The other question here would be is all of the addressing classfull or not.
>Because depending on the nature of the mask and how the addressing scheme
>is
>implemented you could still have a problem getting that route to show up on
>R5(VLSM <-> FLSM issues)
>
>HTH
>
>You might want to try reading the RFC 2328. Doyle's - Routing TCP/IP is a
>good text to have also..
>
>Nigel..
>
>Anyone care to add to this...
>
>
>----- Original Message -----
>From: Voytek Mielczarek <Voytek.Mielczarek@nec.com.au>
>To: <ccielab@groupstudy.com>
>Sent: Tuesday, August 28, 2001 3:05 AM
>Subject: ospf nssa backwards
>
>
>> Group,
>>
>> How would you get routes E1 or E2 through NSSA as below:
>>
>>
>> area1 area0 nssa IGRP
>> R1----------R2----------R3----------R4----------R5
>>
>>
>> Loopback interfaces on R1 get "redistributed connected" and appear on R3
>as E2 routes, but do not appear on R4.
>> They need to be propagated across nssa out to IGRP. Is this a mission
>impossible?
>>
>> Thanks, Voytek
>> **Please read:http://www.groupstudy.com/list/posting.html
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