With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
traceRcvrX25DnaOutPathReliabilitySignal
trace Receiver X25 Dna Out Path Reliability Signal
1.3.6.1.4.1.562.2.4.1.106.2.2.2.11.1.16
This attribute specifies that reliability routing signaling is not used.
Back to Nortel-Magellan-Passport-X25TraceRcvrMIB MIB page.
IPHost Network monitor allows you to monitor traceRcvrX25DnaOutPathReliabilitySignal on Allied Telesis device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Nortel multiplexers right now.