With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dsgIfClientIdType
dsg If Client Id Type
The Client Identification type. A DSG client id of type broadcast(1) received by all DSG client(s). A DSG client id of type macAddress(2) is received by the DSG client that has been assigned with this MAC address where the first 3 bytes is the Organization Unique Identifier (OUI). A DSG client id of type caSystemId(3) is received by the DSG client that has been assigned a CA_system_ID. A DSG client id of type applicationId(4) is received by the DSG client that has been assigned an application ID.
Back to DSG-IF-MIB MIB page.
IPHost Network monitor allows you to monitor dsgIfClientIdType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.