With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
appnPortDynLsBadXids
appn Port Dyn Ls Bad Xids
1.3.6.1.2.1.34.4.1.1.4.1.1.15
This is the total number of unsuccessful XIDs that have been received on all of the dynamic link stations on this port since the last time this port was started.
Back to Nortel-Magellan-Passport-AppnMIB MIB page.
IPHost Network monitor allows you to monitor appnPortDynLsBadXids 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.