Re: mpls vpn filtering on interface

Yes, I`d realized it could be done with different NH for VRFs even without
TE, just tuning IGP, but i`m interested is there solution which doesn`t
envolve changing NH.

On Fri, Sep 30, 2011 at 12:57 PM, Carlos G Mendioroz <tron_at_huapi.ba.ar>wrote:

> TE is your friend, combined with an export map to differentiate NH to
> different VRFs ? I'll check if this works, but sounds doable :)
> -Carlos
>
> Sergey Matashuk @ 30/09/2011 05:44 -0300 dixit:
>
>> Dear experts
>>
>> I have an interesting question.
>> Lets say there are two VRFs VRF_A and VRF_B on PE router Router1. Router1
>> has BGP connection from loopback interface with two BGP RRs, located at
>> MPLS
>> could and there is OSPF used as IGP. Both VRFs exits at abother PE device
>> -
>> router2, located on another side of our MPLS cloud, so routes on that VRFs
>> have same BGP NH.
>>
>> Router1 has two links to MPLS cloud, link1 is 10Gbps and link2 is 100Mbps.
>>
>> VRF_A is heavy loaded by traffic, say it has 5Gbps throughput, assume,
>> VRF_B
>> with throughput about 80 Mbps used for critical data.
>>
>> Under normal condition both VRF uses link1. But when link1 fails ospf gets
>> them rerouted to link2 (as BGP NH accessible on both links). Now, as VRF_A
>> data is not critical service the task is to filter VRF_A on link2.
>>
>> What are your thoughts, guys?
>>
>> --
>> Regards,
>>
>> Siarhei Matashuk
>> CCIE #27340
>>
>>
>> Blogs and organic groups at http://www.ccie.net
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>>
>>
> --
> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina

Blogs and organic groups at http://www.ccie.net
Received on Fri Sep 30 2011 - 13:41:17 ART