[j-nsp] Dynamic route leaking between global routing table and vrf routing table

[Chris Spears]

The vrf-import/export policies are only for vpn route distribution. 
AFAIK, you have to use rib-groups to go between a routing-instance 
(vrf/l3vpn/virtual-router) and master.  Use one rib-group to put the 
AMS-IX routes into the vrf, and apply another to your routing protocols 
in the VRF (or to auto-export) in order to dump routes back to inet.0. 
  Just don't forget interface-routes so you can resolve next-hops.

--
Chris


Mark Meijerink wrote:
> Hi there,
> 
> I have been working on dynamic leaking of routes between the global routing table and the vrf routing table based on communities. But I have failed to
> make it work. I have already seen multiple examples but those did not work for me. I will give s short description of what we are trying to achieve
> and I hope you can point me in the right direction.
> 
> In the global routing table we have our peerings with AMS-IX peers and iBGP peerings with two core routers. The AMS-IX routes are given a certain
> community. We want to create a vrf with customers which only have AMS-IX connectivity. So we want to dynamically leak routes into the vrf based on the
> community. In the vrf we have BGP sessions with the customers and the routes we learn from them are tagged with a certain community as well. These
> routes must be dynamically leaked into the global routing table. We are looking for a way to dynamically leak routes in two directions.
> 
> I have tried using rib-groups and tried to make it work using the vrf-import and vrf-export policies. Could you please let me know how I can make the
> setup as explained above work. The difficulty we are introducing is that we want to leak dynamically and not static. Thanks in advance for your reply
> and advice.
> 
> Regards,
>  Mark Meijerink
>  SARA
> 
> 
> 
> ------------------------------------------------------------------------
> 
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Chris Spears, OARnet
Senior Routing Engineer
phone: 614-292-9415
fax: 614-728-8110