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? 

Answer options:

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

B