With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccdsgIfDownstreamEntry
CISCO CABLE DSG If Downstream Entry
1.3.6.1.4.1.9.10.999.3.1.1
An entry in the DSG Downstream Table. Rows are created by an SNMP SET request setting the value of ccdsgIfDownRowStatus to 'createAndGo' or 'createAndWait'. Rows are deleted by an SNMP SET request setting the value of ccdsgIfDownRowStatus to 'destroy'.
Back to CISCO-CABLE-DSG-IF-MIB MIB page.
IPHost Network monitor allows you to monitor ccdsgIfDownstreamEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.