With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoDlswCircuitS2TDomain
cisco Data Link Switching Circuit S2 T Domain
1.3.6.1.4.1.9.10.9.1.5.2.1.11
If the location of End Station 2 is remote, this value is the transport domain of the transport protocol the circuit is running over. Otherwise, the value is 0.0.
Back to CISCO-DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoDlswCircuitS2TDomain on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.