[quagga-dev 16574] Re: Fwd: Re: nssa, external routes from bgp, problem

Paul Jakma paul at jakma.org
Thu Feb 23 11:30:30 GMT 2017


Hi Dimitry,

Does it solve a problem you're seeing? If so, I can queue it onto 
volatile/next.

regards,

Paul

On Tue, 14 Feb 2017, Dmitry Melekhov wrote:

>
> Hello!
>
> There are no replies in users mailing list,
> so I decided to ask developers.
>
> Thank you!
>
>
> -------- Перенаправленное сообщение --------
> Тема: 	Re: nssa, external routes from bgp, problem
> Дата: 	Mon, 13 Feb 2017 12:19:02 +0400
> От: 	Dmitry Melekhov <dm at belkam.com>
> Кому: 	quagga-users at lists.quagga.net
>
>
>
> OK, I found similar bug report
> https: //bugzilla.quagga.net/show_bug.cgi?id=493
>
> There is proposed patch there and it is not included into  quagga 1.2.0.
>
> Could you tell me this bug status?
> Is patch from there usable?
>
> Thank you!
>
> 13.02.2017 11:47, Dmitry Melekhov пишет:
>>  Hello!
>> 
>>
>>  I run quite old version of quagga -  version 0.99.24.1 , from centos7 ,
>>
>>  but looks like there are no changes in ospf in newer versions....
>> 
>>
>>  I have following scheme:
>> 
>>
>>  area0 <->quagga<->area2<->cisco-router<->bgp.
>> 
>>
>>  I need to advertise routes from bgp to ospf, so I have:
>>
>>  redistribute bgp ...
>>
>>  on cisco,
>> 
>>
>>  but I don't need any routes from my ospf on cisco router,
>>
>>  although I can have these routes on cisco right now.
>>
>>  I decided make area2 nssa , so any ospf routes, including external,
>>  will not be on cisco router.
>>
>>  It worked OK for several days, but then , at weekend, there was
>>  connectivity loss on bgp side and
>>
>>  today I found that there are no routes from bgp in area 0, although
>>  they are in area 2.
>>
>>  Unfortunately, I had no time to read manuals and debug, so I just removed
>>
>>  area 2 nssa .
>> 
>>
>>  I guess that when bgp routes were lost and appeared again, for some
>>  reason LSA7 was not converted by quagga to LSA5.
>> 
>>
>>  Could you tell me how to solve this problem?
>> 
>>
>>  Thank you!
>> 
>> 
>
>
>

-- 
Paul Jakma | paul at jakma.org | @pjakma | Key ID: 0xD86BF79464A2FF6A
Fortune:
What is now proved was once only imagin'd.
 		-- William Blake


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