Resolved! AS_PATH rules for BGP/MP-BGP
See attached Physical TOPO.CE(s) AS is 65100PE(s) AS is 65501CE1 vrf 100 (vrf lite) peered to PE1 vrf 100CE2 vrf 100 (vrf lite) peeredto PE2 vrf 10.CE1 is advertising 11.100.0.0/241. At PE1; we see the route. Since CE1 originated the route; its AS_...