Juniper JUNOS 10.1 - CONFIGURATION GUIDE 1-2010 Configuration Manual page 919

To verify a PPPoE configuration, you can issue the following operational mode
Action
commands:
show interfaces at-fpc/pic/port extensive
show interfaces pp0
show pppoe interfaces
show pppoe version
show pppoe service-name-tables
show pppoe statistics
show pppoe underlying-interfaces
For more information about these operational mode commands, see the JUNOS
Software Administration Guide and the JUNOS Interfaces Command Reference.
Chapter 57: Configuring Point-to-Point Protocol over Ethernet
Verifying a PPPoE Configuration
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