With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dlswTConnOperTDomain
dlsw T Connection Operational T Domain
1.3.6.1.4.1.2011.2.34.2.3.1.1
The object identifier indicates the transport domain of this transport connection.
Back to DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor dlswTConnOperTDomain 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.