With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dataSigChanNisOperTable
data Sig Chan Nis Operational Table
This group provides the operational attributes for the signalling protocol.
Back to Nortel-Magellan-Passport-DisdnNISMIB MIB page.
IPHost Network monitor allows you to monitor dataSigChanNisOperTable 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 switches right now.