With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
nmisTelnetSessionRemoteIpAddr
nmis Telnet Session Remote Ip Address
This attribute indicates the IP address of the remote device connected to the session.
Back to Nortel-Magellan-Passport-MgmtInterfacesMIB MIB page.
IPHost Network monitor allows you to monitor nmisTelnetSessionRemoteIpAddr 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.