Re: MPLS L3 VPN

Awesome! that is the cookies i was looking for

On Wed, Jun 1, 2011 at 10:20 AM, Joe Astorino <joeastorino1982_at_gmail.com> wrote:
> Seems like your question is specifically related to the address-family under
> BGP on a PE router, as in "address-family ipv4 vrf" If the PE is running
> BGP with the CE router, the "address-family ipv4 vrf" on the PE is used to
> run BGP with the CE in a specific VRF context. The purpose there is so that
> the routes learned from the CE on the PE are put into that customers VRF.
> When you run BGP to the CE you don't need to redistribute like you would if
> you were running an IGP to the customer.
>
> As far as address-family in other IGPs, you can do it with RIP and EIGRP.
> You can still run OSPF inside a VRF and certainly can use it as a PE/CE IGP
> it just works a little differently (no address-family syntax). ISIS I have
> not done before in that application
>
> HTH
>
> On Wed, Jun 1, 2011 at 12:28 PM, marc edwards <renorider_at_gmail.com> wrote:
>>
>> Good afternoon experts. I had a question about the exact use of
>> address-family. At first, I assumed it was used to carry the vpnv4
>> information but this doesn't seem to be the case. I appears to be used
>> to carry the routing information of the CE across PE network? Can this
>> be used under all IGP's?
>>
>> Thanks greatly for clarification.
>>
>> Marc Edwards DCNISS
>> http://reno-ccie.blogspot.com
>>
>>
>> Blogs and organic groups at http://www.ccie.net
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>
> --
> Regards,
>
> Joe Astorino
> CCIE #24347
> Blog: http://astorinonetworks.com
>
> "He not busy being born is busy dying" - Dylan

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Received on Wed Jun 01 2011 - 11:03:36 ART