With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
xdsl2LConfProfL0Time
xdsl2 L Config Prof L0 Time
1.3.6.1.4.1.2011.2.25.251.1.5.1.2.1.31
The minimum time (in seconds) between an Exit from the L2 state and the next Entry into the L2 state. It ranges from 0 to 255 seconds.
Back to VDSL2-LINE-MIB MIB page.
IPHost Network monitor allows you to monitor xdsl2LConfProfL0Time on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.