With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
adsl2LConfProfTargetSnrmDs
ADSL2 L Configuration Profile Target Snrm Downstream
1.3.6.1.2.1.10.238.1.5.1.2.1.15
The minimum Noise Margin the ATU-R receiver shall achieve, relative to the BER requirement for each of the downstream bearer channels, to successfully complete initialization. The target noise margin ranges from 0 to 310 units of 0.1 dB (physical values are 0 to 31 dB).
Back to ADSL2-LINE-MIB MIB page.
IPHost Network monitor allows you to monitor adsl2LConfProfTargetSnrmDs on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.