A service provider NOC engineer received numerous support tickets from their VPN customers. These customers are reporting packet loss between two PE routers. The NOC engineer created a VRF TEMP to run tests between these two PE routers, and no errors were reported. ECMP links are used between P and PE routers. Which test can quickly identify the core link that is causing the problems?
A. an extended traceroute with multipath option between the PE"™s loopbacks
B. anmpls traceroute with multipath option between the PE"™s loopbacks
C. anmpls ping with sweep option between the PE"™s loopbacks
D. avrf ping between customer"™s CE router and service provider"™s remote PE router
E. an extended ping with sweep option between the PE"™s loopbacks
F. avrf traceroute between customer"™s CE router and service provider"™s remote PE router
