With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccdsgIfDownDsgIndex
CISCO CABLE DSG If Down Dsg Index
1.3.6.1.4.1.9.10.999.3.1.1.1
The row index into the the downstream DSG table.
Back to CISCO-CABLE-DSG-IF-MIB MIB page.
IPHost Network monitor allows you to monitor ccdsgIfDownDsgIndex 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.