Case a) seems to be already supported: if we configure "regular" policies (w/o service instances) matching any source and destination networks, routes from VN1 are propagated to VN2 through VNx.
Case a) seems to be already supported: if we configure "regular" policies (w/o service instances) matching any source and destination networks, routes from VN1 are propagated to VN2 through VNx.