With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
adslAturCurrAttainableRate
ADSL Atur Current Attainable Rate
1.3.6.1.2.1.10.94.1.1.3.1.8
Indicates the maximum currently attainable data rate by the ATU. This value will be equal or greater than the current line rate.
Back to ADSL-LINE-MIB MIB page.
IPHost Network monitor allows you to monitor adslAturCurrAttainableRate 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.