[quagga-dev 16575] Re: Fwd: Re: nssa, external routes from bgp, problem

Dmitry Melekhov dm at belkam.com
Thu Feb 23 13:06:54 GMT 2017


Hello!


I did not tested patch from there yet, because we are in production, but 
there are no replies,

so I'll try , when possible, and inform you about results.


Thank you!


23.02.2017 15:30, Paul Jakma пишет:
> 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!
>>>
>>>
>>
>>
>>
>




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