With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
lpOamEnetLackOfResourcesDiscards
lp Oam Enet Lack Of Resources Discards
This attribute indicates the number of good frames discarded because of a lack of resources available to contain them on the system. This counter wraps to zero when it exceeds its maximum value.
Back to Nortel-Magellan-Passport-OamEthernetMIB MIB page.
IPHost Network monitor allows you to monitor lpOamEnetLackOfResourcesDiscards 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 multiplexers right now.