With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoDlswTConnConfigLastModifyTime
cisco Data Link Switching T Connection Config Last Modify Time
1.3.6.1.4.1.9.10.9.1.2.2.1.5
The value of ciscoDlswUpTime when the value of any object in this conceptual row was last changed. This value may be compared to ciscoDlswTConnOperConnectTime to determine whether values in this row are completely valid for a transport connection created using this row definition.
Back to CISCO-DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoDlswTConnConfigLastModifyTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.
