[c-nsp] how to make all traffic flow through central node in MPLS-VPN?

[hjan]

> to my understanding, carrier's carrier VPN establish a
> pseudo-carrier over ISP network. What I'm not clear
> is, could it be possible to make traffic route inside
> that VPN flow through a customer's central node ? 
> 
> e.g.
> 
>  site-a \
>          \
>            \
>  site-b ----  MPLS-VPN  -- central_node
> 
>          /
>  site-c /
> 
> 
>  traffic from site_a to site_b will be routed to
> central node at first, then central_node will process
> those traffic after which it is sent to site_be.
> 
In this scenario you can play with rd import/export or import map on PE
vrf, so you can build a 'custom RT'.
If a single PE host multiple customer CPE you should use multiple vrf
and this could be a scalability problem.

Hope this help,
Gianluca


> 
> Joe
> 
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> 
> joe
> 
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