Much of the L2 functionality (VPLS, etc.) came in 11.4 and was not available in 11.2. See the release notes. > I'm looking for the most stable code to run MX960's in a virtual-chassis. > They'll be an MPLS (RSVP and LDP signaled) PE. > > I've narrowed it down to one of the latest 11.2 revs or 11.4R1.14. Any > opinions out there?