[c-nsp] MPLS-VPN migration

Tim Durack tdurack at gmail.com
Tue Dec 23 13:12:56 EST 2008


On Fri, Dec 19, 2008 at 2:08 AM, Aaron Daniels - Lists
<lists at daniels.id.au> wrote:
> I have had a few requests for this so I thought i'd put it on-list.
>
> Thanks,
> Aaron Daniels
>
>
>> -----Original Message-----
>> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
>> bounces at puck.nether.net] On Behalf Of Aaron Daniels - Lists
>> Sent: Thursday, 18 December 2008 6:13 PM
>> To: 'Tim Durack'; cisco-nsp at puck.nether.net
>> Subject: Re: [c-nsp] MPLS-VPN migration
>>
>> We just tackled this one in our organisation.
>>
>> 2 Gotchas.
>>
>> 1. Router-id must be different between peers, make sure your code
>> supports
>> vrf specific router-id.
>> 2. iBGP was very messy IMHO, so we went with eBGP using local-as to
>> have
>> each vrf appear to be a different 65xxx AS
>>
>> I can sent you my lab config's tomorrow.
>>
>> Thanks,
>> Aaron

Thanks for sharing - much appreciated.

I have heard several people say an iBGP version is messy. What is the
difference? (I'm not opposed to the eBGP config, just like to know
what both look like.)

Tim:>


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