Hi folks, looking to get opinions on the above. I have reviewed some older posts with 15.3(3) being a common mention, but looking to see what folk are currently running with little / least issues.. Standard fare is MPLS, OSPFv2, BGP VPNv4, EFP with PW. Features for consideration are around IPv6 with OSPFv3, BGP 6PE/VPE thank you. Neil