With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
l2tTunnelControlState
l2t Tunnel Control State
1.3.6.1.4.1.2.6.119.4.7.2.1.1.3
This field contains the mandatory state of the control tunnel.
Back to ibm-ibml2tp MIB page.
IPHost Network monitor allows you to monitor l2tTunnelControlState on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM switches right now.