With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cltcTunnelThresholdEntry
cltc Tunnel Threshold Entry
1.3.6.1.4.1.9.9.246.1.4.1.1
Information about the thresholds for protocol tunneling. Only tunneled protocol filtering capable interfaces are shown. The entries will be on a per interface, per protocol basis
Back to CISCO-L2-TUNNEL-CONFIG-MIB MIB page.
IPHost Network monitor allows you to monitor cltcTunnelThresholdEntry 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.