With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cPppoeVcMaxAllowedSessions
Cisco Pppoe Vc Max Allowed Sessions
1.3.6.1.4.1.9.9.194.1.3.1.1.3
The maximum number of allowed PPPoE sessions on the VCL.
Back to CISCO-PPPOE-MIB MIB page.
IPHost Network monitor allows you to monitor cPppoeVcMaxAllowedSessions on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.