With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
xdsl2PMLineInitHist15MinGroup
xdsl2 PM Line Init Hist15 Minimum Group
1.3.6.1.4.1.2011.2.25.251.2.1.28
The group of PM counters for the previous 15-minute interval full initializations.
Back to VDSL2-LINE-MIB MIB page.
IPHost Network monitor allows you to monitor xdsl2PMLineInitHist15MinGroup 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.