With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
frMuxDlciFrmToIf
Frame Relay Mux Dlci Frm To If
1.3.6.1.4.1.1570.1.4.13.1.1
This attribute counts the frames sent to the interface. When the maximum count is reached the count wraps to zero.
Back to Nortel-Magellan-Passport-FrameRelayMuxMIB MIB page.
IPHost Network monitor allows you to monitor frMuxDlciFrmToIf 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 modems right now.