With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
clreCpePortTable
clre Cpe Port Table
1.3.6.1.4.1.9.9.340.1.2.1
A list of LRE CPE port entries. The number of entries is determined by the number of Long Reach Ethernet interfaces (to which the CPE attaches) on the switch and the number of Fast Ethernet ports each CPE supports.
Back to CISCO-LINK-ERROR-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor clreCpePortTable 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.