[c-nsp] Inter AS MPLS hybrid thingy...

Oliver Boehmer (oboehmer) oboehmer at cisco.com
Thu Sep 13 07:06:20 EDT 2012


Yes, so I read it as well.. But I guess the question is how Child_net1
wants to interconnect with a L3VPN (not CsC) customer on Parent_net.. If
Parent_net just imports the L3VPN customer's Routes into the CsC VRF
towards Child_net (and vice versa), this would provide connectivity
between Child_net's global table and the L3VPN customer. But not (and this
is how I read it) between a Child_net L3VPN customer and the L3VPN
customer on parent_net..
So enough speculating, let's wait for JC to clarify the requirements :-)

	oli

On 13/09/2012 12:54, "Christian Meutes" <christian at errxtx.net> wrote:

>Hey Oli,
>
>I read it as Child_net1 is L3VPN with MPLS enabled (CsC) but I may be
>wrong...
>
>On 13.09.2012, at 11:53, "Oliver Boehmer (oboehmer)" <oboehmer at cisco.com>
>wrote:
>
>> Don't think this is going to work Christian. Child_net1's interface to
>> Parent_net is actually in the global table, so any addresses visible
>>there
>> are being treated as global devices in remote parts of Child_net1, not
>>any
>> vpnv4/VRF addresses.
>> JC, you need to setup InterAS-MPLS-VPN (whichever flavor meets your
>>need,
>> I guess 10a or 10b would do it) on another link (which could also be a
>> subinterface of the existing one, of course).
>> 
>>    oli
>> 
>> On 13/09/2012 11:17, "Christian Meutes" <christian at errxtx.net> wrote:
>> 
>>> Import&Export between the RDs and give the L3VPN-only customer also
>>>MPLS
>>> and eBGP session between them.
>>> 
>>> On 13.09.2012, at 10:44, "JC Cockburn" <ccie15385 at gmail.com> wrote:
>>> 
>>>> Hi All,
>>>> 
>>>> We have a weird setup/requirement as following and I need some advise
>>>> please:
>>>> 
>>>> 
>>>> 
>>>> Working MPLS network serving L3 VPNs (lets call it Parent_net). On
>>>>this
>>>> network we have one of the VPN's as CsC serving another "provider"
>>>> (call it
>>>> Child_net1).
>>>> 
>>>> Now this provider (Child_net1) needs to communicate with another L3VPN
>>>> also
>>>> on Parent_net.
>>>> 
>>>> Can this be done by some means using the same existing links between
>>>> Parent_net and Child_net1 (so the CsC links)? Or do we have to create
>>>> another link/s with ASBR routers between Parent_net and Child_net1?
>>>> 
>>>> 
>>>> 
>>>> Any experience/tips and/or advise would be appreciated
>>>> 
>>>> Ciao & enjoy!
>>>> 
>>>> 
>>>> 
>>>> JC
>>>> 
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