With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dsgIfTunnelGrpIndex
dsg If Tunnel Group Index
The index into this table.
Back to DSG-IF-MIB MIB page.
IPHost Network monitor allows you to monitor dsgIfTunnelGrpIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.