With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
l2tHistTunnelRemotePort
l2t History Tunnel Remote Port
1.3.6.1.4.1.2.6.119.4.7.5.1.1.5
The remote UDP port which was used for this previous tunnel.
Back to ibm-ibml2tp MIB page.
IPHost Network monitor allows you to monitor l2tHistTunnelRemotePort on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM Flex systems right now.