With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cPppoeSystemGroup
Cisco Pppoe System Group
1.3.6.1.4.1.9.9.194.3.2.1
A collection of objects providing information about the PPPoE sessions on a system.
Back to CISCO-PPPOE-MIB MIB page.
IPHost Network monitor allows you to monitor cPppoeSystemGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.
