With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cIdslItucIntervalEntry
Cisco Idsl ITU-C Interval Entry
1.3.6.1.4.1.9.9.154.1.8.1
A 15-miute interval of physical-layer statistics for a ITU-C class device supported by the system. There exists up to 96 entries for each ifEntry with an ifType of idsl(154).
Back to CISCO-IDSL-LINE-MIB MIB page.
IPHost Network monitor allows you to monitor cIdslItucIntervalEntry 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.