With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
sonetVTCurrentWidth
sonet VT Current Width
1.3.6.1.2.1.10.39.3.1.1.1.1
A value that indicates the type of the SONET VT and SDH VC. Assigned widths are VT1.5/VC11, VT2/VC12, VT3, VT6/VC2, and VT6c.
Back to SONET-MIB MIB page.
IPHost Network monitor allows you to monitor sonetVTCurrentWidth on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.