With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
lpAruTxFrameBlockUsage
lp Aru Tx Frame Block Usage
This attribute indicates the amount of memory currently being used to store frames to be transmitted by the Lp.
Back to Nortel-Magellan-Passport-AtmBaseMIB MIB page.
IPHost Network monitor allows you to monitor lpAruTxFrameBlockUsage 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.