With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
dclVsFramerFrmLostInNetwork
dcl Vs Framer Frm Lost In Network
This attribute counts the number of frames which the service knows it did not receive from the network although they were sent in to the network from the far end.
Back to Nortel-Magellan-Passport-DcmeMIB MIB page.
IPHost Network monitor allows you to monitor dclVsFramerFrmLostInNetwork 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.