With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
Cisco ATM Trunk Cid Connection RDI counts
This object contains the number of external connection RDI AAL2 packets received. External Connection RDI - is a signal transmitted in the upstream direction by an AAL2 endpoint that is in alarm state, as the result of having received an AAL2 connection AIS or having detected a defect that affects the AAL2 connection. REFERENCE ITU-T G.366.2 Annex N
Back to CISCO-ATM-TRUNK-MIB MIB page.
IPHost Network monitor allows you to monitor catmtCidConnRDICnts on Cisco device via the SNMP protocol.
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Easy monitoring of catmtCidConnRDICnts with IPHost tools