Re: VRF TO GLOBAL PROBLEM

From: Marko Milivojevic <markom_at_ipexpert.com>
Date: Thu, 6 Jan 2011 14:36:18 +0530

Please, re-read the article :-). It shows the example of leaking
between global table and VRF using BGP - no next hops involved. I had
to build to that point though.

--
Marko Milivojevic - CCIE #18427
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On Thu, Jan 6, 2011 at 12:14, Damian Higgins <linnewbye_at_gmail.com> wrote:
> I don't think your example will help Marcin, you used next-hops, so
> you depend on the upstream router to route between global and VRFs.
> You can have bidirectional route leaking without next-hops only
> between VRFs ( using MP-BGP ) on the same box, but not between global
> and a VRF. Although in global you can add directly connected routes (
> using exit interface instead of next-hop ) into a VRF, the other way
> around doesn't work since you need to specify a next-hop. This is a
> very annoying limitation :(.
>
>
> @Marcin, to avoid this limitation I'm using only VRFs for routing on
> my 6500's, and I use the global table only for management in case
> something goes wrong in the VRFs.
>
>
> Regards.
>
>
> On Thu, Jan 6, 2011 at 7:59 AM, Marko Milivojevic <markom_at_ipexpert.com> wrote:
>> Marcin,
>>
>> I wrote the blog on the subject of the route leaking between VRF and
>> the main table sometime ago. I think you will find the solution there:
>>
>> http://blog.ipexpert.com/2010/12/01/vrf-route-leaking/
>>
>> Short answer to your last question: yes :-)
>>
>> --
>> Marko Milivojevic - CCIE #18427
>> Senior Technical Instructor - IPexpert
>>
>> FREE CCIE training: http://bit.ly/vLecture
>>
>> Mailto: markom_at_ipexpert.com
>> Telephone: +1.810.326.1444
>> Web: http://www.ipexpert.com/
>>
>> On Thu, Jan 6, 2011 at 06:03, Marcin Zgola <MZgola_at_netrixllc.com> wrote:
>>> Problem, I want to be able to communicate between VRF and global on the same router.
>>>
>>> I can leak routes but I need to specify next hop to be another router.
>>>
>>> Basically packet hits the router on VRF interface, and then it sends it to upstream router, and upstream router sends it back.
>>>
>>> Can this be avoided?????
>>
>>
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Received on Thu Jan 06 2011 - 14:36:18 ART

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