With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dataSigChanNisT23
data Sig Chan Nis T23
This attribute specifies the layer2 enable request timer.
Back to Nortel-Magellan-Passport-DisdnNISMIB MIB page.
IPHost Network monitor allows you to monitor dataSigChanNisT23 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.