With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
x25DteLapbFrameSequencing
x25 Dte Lapb Frame Sequencing
1.3.6.1.4.1.562.2.4.1.90.5.10.1.2
This attribute specifies the modulo of the frame sequence numbering of the LAPB interface. Changing this attribute will cause the lapb link to Reset.
Back to Nortel-Magellan-Passport-X25DteMIB MIB page.
IPHost Network monitor allows you to monitor x25DteLapbFrameSequencing 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.