[c-nsp] VRF-lite question on RD's

[ChrisSerafin]

Oliver Boehmer (oboehmer) wrote:
> ChrisSerafin <> wrote on Thursday, April 02, 2009 17:59:
>
>   
>> I have 3 VRF's on a CE router:
>>
>>
>>
>> ip vrf xxx-General
>>  rd 1:10
>>  route-target export 1:10
>>  route-target import 1:10
>> !
>> ip vrf xxx-Guest
>>  rd 1:30
>>  route-target export 1:30
>>  route-target import 1:30
>> !
>> ip vrf xxx-Voice
>>  rd 1:20
>>  route-target export 1:20
>>  route-target import 1:20
>>
>> I just got 3 new VRF's from the ISP confgured, and I'm wondering what
>> numbers I need to have for the 'rd' and 'route-target xxport'
>> commands...? Are these arbitrary, come from the ISP, or can I just use
>> 40, 50, and 60?
>>     
>
> In a vrf-lite environment, RDs are local to the router, so you can pick
> any (as long as it's unique on the router). you only need route-target
> if you're running BGP on the node to leak routes from one VRF to
> another.. doesn't look  like you're doing any leaking, so I don't think
> you need any route-targets 
>
> 	oli
>   
Excellent explanation, thank you!




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