On Tue, Jun 18, 2013 at 11:29:29PM +0000, Andy Litzinger wrote:
> I can create a routing-instance for each group (or 1 and use the global table 
> for the other).  Adding the RVIs and maintaining a separate default route out 
> for each routing-instance is no problem.  The trouble is trying to allow the 
> subnets to communicate to each other.
> 
> I've tried adding a static route under the routing-instance for Group 1 to a 
> subnet outside the routing-instance, e.g. a route to subnet C inside 
> routing-instance for Group1, but the route never shows up in the routing 
> table, presumably because there isn't a live interface in routing-instance C 
> with a connection to subnet C.  and it doesn't look like there's an option to 
> make the next-hop an interface instead of an IP.

> I will try rib groups next, but I think I read somewhere that EX switches 
> don't support importing static routes via rib groups.

The Junos-way is to use rib-groups to copy direct (interface) routes
between routing-instances.  Static routes shouldn't be necessary.  I
don't know if there are limitations on EX.

routing-options {
    interface-routes {
        rib-group {
            inet IF-RIB;
        }
    }
    rib-groups {
        IF-RIB {
            import-rib [ inet.0 VRF-A.inet.0 VRF-B.inet.0 ];
        }
    }
}
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