With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfrExtCircuitRoutedIf
Cisco Frame Relay Ext Circuit Routed If
1.3.6.1.4.1.9.9.49.1.2.2.1.8
The interface for the routed DLCI that pairs up with this DLCI for switching. Value greater than 0 is the InterfaceIndex for that interface. Value zero (0) indicates that there is no such routed DLCI corresponding to this DLCI.
Back to CISCO-FRAME-RELAY-MIB MIB page.
IPHost Network monitor allows you to monitor cfrExtCircuitRoutedIf 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.