With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
xdsl2PMLineHist15MinTable
xdsl2 PM Line Hist15 Minimum Table
1.3.6.1.4.1.2011.2.25.251.1.4.1.3
The table xdsl2PMLineHist15MinTable contains PM line history for 15-minute intervals of DSL line.
Back to VDSL2-LINE-MIB MIB page.
IPHost Network monitor allows you to monitor xdsl2PMLineHist15MinTable 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.