With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
lineDwnSNRMargin
line Downstream SNR Margin
1.3.6.1.4.1.9.10.26.1.4.1.1.2
In db, the difference between the current downstream signal to noise ratio and the SNR required for the selected line rate. as seen by the cpe. This object must be divided by 10 to obtain the real value for CAP only. Following are the possible values: Negative number - bad SNR margin for the desired line rate. 0 - adequate SNR (no margin) for the desired line rate. Positive number - Good SNR margin for the desired line rate. Higher number means better SNR margin and better line quality.
Back to CISCO-C6200-MIB MIB page.
IPHost Network monitor allows you to monitor lineDwnSNRMargin on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
