With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
xdsl2PMChHist15MinGroup
xdsl2 PM Channel Hist15 Minimum Group
1.3.6.1.4.1.2011.2.25.251.2.1.33
The group of objects that report the channel-level counters for previous 15-minute PM intervals.
Back to VDSL2-LINE-MIB MIB page.
IPHost Network monitor allows you to monitor xdsl2PMChHist15MinGroup 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.