From: Peter Van Oene (pvo@xxxxxxxxxxxx)
Date: Tue Sep 04 2001 - 17:07:01 GMT-3
Well, type 5's should flow unrestricted through the entire OSPF domain unless a
rea's are configured as stub. This sounds buggy to me.
*********** REPLY SEPARATOR ***********
On 9/4/2001 at 2:49 PM Martyniak, James wrote:
>I am positive this was a bug but, I found the config interesting enough
>that
>I was not sure how the OSPF process would handle summaries and an AS
>External originating from a different area.
>
>R1 R2
> X
>R3 R4
>
>R1 --summary originates here.
>R2 --AS external originates here.
>All routes show up in R3 with the /28 and /24.
>R4 only shows the summary.
>
>All routers are ABR/ASBR(R2), all touching area 0
>All non backbone areas are local to single routers.
>The topology is as accurate as I can get with ASCII. The topology is quite
>a bit more complex but, not worth showing here.
>The reason for no config is that this is a multi vendor environment.
>
>
>Jimmy Martyniak
>Network Engineer
>University of Pennsylvania Health System
>(215)662-6243
>
>
>-----Original Message-----
>From: Peter van Oene [mailto:pvo@usermail.com]
>Sent: Tuesday, September 04, 2001 2:23 PM
>To: Martyniak, James
>Cc: CCIELAB (E-mail)
>Subject: Re: OSPF Real World
>
>
>Assuming R1-R2-R3 toplogy, the type 5 from R1 should not be filtered at
>R2 given R2 is an ABR unless the area used on the R1-R2 link is NSSA
>
>
>
>
>On 04 Sep 2001 14:07:47 -0400, Martyniak, James wrote:
>> What does OSPF define to do when:
>>
>> AS external route 10.10.10.16/28 R1
>> area summary 10.10.10.0/24 R2
>> R3 does not show the /28 even though this external is more explicit then
>the
>> /24 and originates from a different ASBR the R1?
>>
>> Not proper OSPF but, real world funky things happen. Summaries have
>bitten
>> me more then once!
>>
>> Jimmy Martyniak
>> Network Engineer
>> University of Pennsylvania Health System
>> (215)662-6243
>> **Please read:http://www.groupstudy.com/list/posting.html
**Please read:http://www.groupstudy.com/list/posting.html
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