Re: CCIE SP Mini-Scenarios (New Site)

You can do a local L3VPN solution. Very simple to configure. Even supports
interworking.

Paul

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Paul Negron
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On 5/22/10 3:38 PM, "ciprian niculescu" <cnicules_at_gmail.com> wrote:
> Thanks for the link and explanations.
> 
> What is "better" to do, use "capability vrf-lite" or manually change the tag
> or manually change the domain-tag on the ospf process.
> Is there any other solution?
> 
> This is for " It's also very important to know what to do when the feature
> is not available ;)" :)
> 
> Regards,
> 
> Ciprian
> 
> On Fri, May 21, 2010 at 4:13 PM, Antonio Soares <amsoares_at_netcabo.pt> wrote:
> 
>> When you configure the VRFs on R1 and R6, you are making them PE routers as
>> well. So you will need a feature to overcome the OSPF
>> issue:
>> 
>> OSPF Support for Multi-VRF on CE Routers
>> 
>> 
>> http://www.cisco.com/en/US/docs/ios/12_0st/12_0st21/feature/guide/ospfvrfl.ht
>> ml
>> 
>> It's also very important to know what to do when the feature is not
>> available ;)
>> 
>> 
>> Regards,
>> 
>> Antonio Soares, CCIE #18473 (R&S/SP)
>> amsoares_at_netcabo.pt
>> 
>> -----Original Message-----
>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>> ciprian niculescu
>> Sent: sexta-feira, 21 de Maio de 2010 1:33
>> To: Antonio Soares
>> Cc: ccie forum; comserv_at_groupstudy.com
>> Subject: Re: CCIE SP Mini-Scenarios (New Site)
>> 
>> Thanks for the site, it's great.
>> 
>> But the help raised more questions, after some good playing around.
>> 
>> I started from the mpls-vpn topo (
>> http://www.ccie18473.net/dynamips2/7-mpls-vpn-1.zip), did lots of other
>> modifications, but in the end got one that i don't fully understand we it
>> don't work. The stortcut modif are:
>> - between R1-R2 and R5-R6 put eBGP with the same AS on R1, R6;
>> - put as-overide on R2+R5 for R1+R6
>> ok ping from R1 to R6
>> - add a backlink between R1-R6 (fa0/1) and run ospf on it
>> - shut the link R5-R6
>> - add a loop50 in vrf RED on R5 + redisp conn in bgp on R5
>> - on R1 move all interfaces into a vrf-lite IUB + the ospf and bgp peer
>> - on R1 redisp bgp in ospf
>> - on R6 move all in vrf-lite IUB (different rd than R1, but same ospf
>> process id)
>> And :( on R6 i have in the DB the Loop50_R5, but not in routing table
>> 
>> a debug ospf say that the route is ignored beacouse tag is equal VPN tag.
>> 
>> if i change the tag on R1 with a route-map at the redistribution bgp to
>> ospf, all is well.
>> 
>> What i get is that is a default looping mechanism in action, but don't
>> understand exactlly.
>> 
>> All the modifications in the net and confs can be found here, just say
>> import when dynamips starts.
>> http://dl.dropbox.com/u/272548/7-mpls-vpn-1-modif.zip
>> 
>> If someone can explain a little and/or point to some documentation that
>> explains, it is much appreciate.
>> 
>> Thanks,
>> 
>> Ciprian
>> 
>> P.S. little about me: i'm working on getting my first CCIE, the SP one
>> 
>> On Thu, May 20, 2010 at 1:24 AM, Faisal Ilyas <faisal.learning_at_gmail.com
>>> wrote:
>> 
>>> Thanks for sharing ...
>>> 
>>> 
>>> 
>>> On Wed, May 19, 2010 at 6:44 PM, Antonio Soares <amsoares_at_netcabo.pt>
>>> wrote:
>>> 
>>>> Hello group,
>>>> 
>>>> I finally managed to transfer all my CCIE SP Videos to my homepage:
>>>> 
>>>> http://www.ccie18473.net/dynamips2/dynamips2.htm
>>>> 
>>>> 
>>>> I hope this will help you.
>>>> 
>>>> 
>>>> Regards,
>>>> 
>>>> Antonio Soares, CCIE #18473 (R&S/SP)
>>>> amsoares_at_netcabo.pt
>>>> 
>>>> 
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>>>> 
>>>> 
>>>> 
>>> 
>>> 
>>> --
>>> Regards,
>>> M. Faisal.
>>> 
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