With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
alL2tpStatsPayloadSendPackets
ALTIGA L2tp Statistics Payload Send Packets
1.3.6.1.4.1.3076.2.1.2.16.1.22
This object returns the number of payload packets that were transmitted to tunnel peers.
Back to ALTIGA-L2TP-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor alL2tpStatsPayloadSendPackets 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.