With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
alL2tpStatsSessionRecvPackets
ALTIGA L2tp Statistics Session Receive Packets
1.3.6.1.4.1.3076.2.1.2.16.3.1.26
This object returns the total number of payload packets received for this session.
Back to ALTIGA-L2TP-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor alL2tpStatsSessionRecvPackets 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.