With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
vrPpTbsgTinygramFramesOut
Virtual Router Passport Tbsg Tinygram Frames Out
This attribute is indicative of the number of frames transmitted out this bridge port that used the tinygram compression scheme.
Back to Nortel-Magellan-Passport-BridgeMIB MIB page.
IPHost Network monitor allows you to monitor vrPpTbsgTinygramFramesOut 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.